diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/IntegrationTests/ComponentCodeGenerationTestBase.cs b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/IntegrationTests/ComponentCodeGenerationTestBase.cs
index 84f21cea83b..2f7df193acd 100644
--- a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/IntegrationTests/ComponentCodeGenerationTestBase.cs
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/IntegrationTests/ComponentCodeGenerationTestBase.cs
@@ -1141,6 +1141,25 @@ public class ComponentWithEditorRequiredParameters : ComponentBase
         Assert.Empty(generated.RazorDiagnostics);
     }
 
+    [IntegrationTestFact]
+    public void Component_WithEditorRequiredParameter_ValueSpecified_DifferentCasing()
+    {
+        AdditionalSyntaxTrees.Add(Parse("""
+            using Microsoft.AspNetCore.Components;
+            namespace Test;
+            public class ComponentWithEditorRequiredParameters : ComponentBase
+            {
+                [Parameter, EditorRequired] public string Property1 { get; set; }
+            }
+            """));
+        var generated = CompileToCSharp("""
+            <ComponentWithEditorRequiredParameters property1="Some Value" />
+            """);
+        generated.RazorDiagnostics.Verify(
+            // x:\dir\subdir\Test\TestComponent.cshtml(1,1): warning RZ2012: Component 'ComponentWithEditorRequiredParameters' expects a value for the parameter 'Property1', but a value may not have been provided.
+            Diagnostic("RZ2012").WithLocation(1, 1));
+    }
+
     [IntegrationTestFact]
     public void Component_WithEditorRequiredParameter_ValuesSpecifiedUsingSplatting()
     {
@@ -1198,6 +1217,25 @@ public class ComponentWithEditorRequiredParameters : ComponentBase
         Assert.Empty(generated.RazorDiagnostics);
     }
 
+    [IntegrationTestFact]
+    public void Component_WithEditorRequiredParameter_ValueSpecifiedUsingBind_DifferentCasing()
+    {
+        AdditionalSyntaxTrees.Add(Parse("""
+            using Microsoft.AspNetCore.Components;
+            namespace Test;
+            public class ComponentWithEditorRequiredParameters : ComponentBase
+            {
+                [Parameter, EditorRequired] public string Property1 { get; set; }
+            }
+            """));
+        var generated = CompileToCSharp("""
+            <ComponentWithEditorRequiredParameters @bind-property1="Some Value" />
+            """);
+        generated.RazorDiagnostics.Verify(
+            // x:\dir\subdir\Test\TestComponent.cshtml(1,1): warning RZ2012: Component 'ComponentWithEditorRequiredParameters' expects a value for the parameter 'Property1', but a value may not have been provided.
+            Diagnostic("RZ2012").WithLocation(1, 1));
+    }
+
     [IntegrationTestFact, WorkItem("https://github.com/dotnet/razor/issues/10553")]
     public void Component_WithEditorRequiredParameter_ValueSpecifiedUsingBindGetSet()
     {
@@ -1257,6 +1295,28 @@ public class ComponentWithEditorRequiredParameters : ComponentBase
         Assert.Empty(generated.RazorDiagnostics);
     }
 
+    [IntegrationTestFact]
+    public void Component_WithEditorRequiredParameter_ValueSpecifiedUsingBindGet_DifferentCasing()
+    {
+        AdditionalSyntaxTrees.Add(Parse("""
+            using Microsoft.AspNetCore.Components;
+            namespace Test;
+            public class ComponentWithEditorRequiredParameters : ComponentBase
+            {
+                [Parameter, EditorRequired] public string Property1 { get; set; }
+            }
+            """));
+        var generated = CompileToCSharp("""
+            <ComponentWithEditorRequiredParameters @bind-property1:get="myField" />
+            @code {
+                private string myField = "Some Value";
+            }
+            """);
+        generated.RazorDiagnostics.Verify(
+            // x:\dir\subdir\Test\TestComponent.cshtml(1,1): warning RZ2012: Component 'ComponentWithEditorRequiredParameters' expects a value for the parameter 'Property1', but a value may not have been provided.
+            Diagnostic("RZ2012").WithLocation(1, 1));
+    }
+
     [IntegrationTestFact, WorkItem("https://github.com/dotnet/razor/issues/10553")]
     public void Component_WithEditorRequiredParameter_ValueSpecifiedUsingBindSet()
     {
@@ -1733,6 +1793,178 @@ public class MyComponent<T> : ComponentBase
         CompileToAssembly(generated);
     }
 
+    [IntegrationTestFact, WorkItem("https://github.com/dotnet/aspnetcore/issues/48778")]
+    public void ImplicitStringConversion_ParameterCasing_AddAttribute()
+    {
+        _configuration = base.Configuration with { LanguageVersion = RazorLanguageVersion.Version_7_0 };
+
+        AdditionalSyntaxTrees.Add(Parse("""
+            using Microsoft.AspNetCore.Components;
+
+            namespace Test;
+
+            public class MyClass
+            {
+                public static implicit operator string(MyClass c) => "";
+            }
+
+            public class MyComponent : ComponentBase
+            {
+                [Parameter] public string Placeholder { get; set; } = "";
+            }
+            """));
+
+        var generated = CompileToCSharp("""
+            <MyComponent PlaceHolder="@(new MyClass())" />
+            """);
+
+        AssertDocumentNodeMatchesBaseline(generated.CodeDocument);
+        AssertCSharpDocumentMatchesBaseline(generated.CodeDocument);
+        CompileToAssembly(generated);
+    }
+
+    [IntegrationTestFact, WorkItem("https://github.com/dotnet/aspnetcore/issues/48778")]
+    public void ImplicitStringConversion_ParameterCasing_AddComponentParameter()
+    {
+        AdditionalSyntaxTrees.Add(Parse("""
+            using Microsoft.AspNetCore.Components;
+
+            namespace Test;
+
+            public class MyClass
+            {
+                public static implicit operator string(MyClass c) => "";
+            }
+
+            public class MyComponent : ComponentBase
+            {
+                [Parameter] public string Placeholder { get; set; } = "";
+            }
+            """));
+
+        var generated = CompileToCSharp("""
+            <MyComponent PlaceHolder="@(new MyClass())" />
+            """);
+
+        AssertDocumentNodeMatchesBaseline(generated.CodeDocument);
+        AssertCSharpDocumentMatchesBaseline(generated.CodeDocument);
+        CompileToAssembly(generated);
+    }
+
+    [IntegrationTestFact, WorkItem("https://github.com/dotnet/aspnetcore/issues/48778")]
+    public void ImplicitStringConversion_ParameterCasing_Multiple()
+    {
+        AdditionalSyntaxTrees.Add(Parse("""
+            using Microsoft.AspNetCore.Components;
+
+            namespace Test;
+
+            public class MyClass
+            {
+                public static implicit operator string(MyClass c) => "";
+            }
+
+            public class MyComponent : ComponentBase
+            {
+                [Parameter] public string Placeholder { get; set; } = "";
+                [Parameter] public string PlaceHolder { get; set; } = "";
+            }
+            """));
+
+        var generated = CompileToCSharp("""
+            <MyComponent PlaceHolder="@(new MyClass())" />
+            """);
+
+        AssertDocumentNodeMatchesBaseline(generated.CodeDocument);
+        AssertCSharpDocumentMatchesBaseline(generated.CodeDocument);
+        CompileToAssembly(generated);
+    }
+
+    [IntegrationTestFact, WorkItem("https://github.com/dotnet/aspnetcore/issues/48778")]
+    public void ImplicitStringConversion_ParameterCasing_Bind()
+    {
+        AdditionalSyntaxTrees.Add(Parse("""
+            using Microsoft.AspNetCore.Components;
+
+            namespace Test;
+
+            public class MyComponent : ComponentBase
+            {
+                [Parameter] public string Placeholder { get; set; } = "";
+                [Parameter] public EventCallback<string> PlaceholderChanged { get; set; }
+            }
+            """));
+
+        var generated = CompileToCSharp("""
+            <MyComponent @bind-PlaceHolder="s" />
+
+            @code {
+                private string s = "abc";
+            }
+            """);
+
+        AssertDocumentNodeMatchesBaseline(generated.CodeDocument);
+        AssertCSharpDocumentMatchesBaseline(generated.CodeDocument);
+        CompileToAssembly(generated);
+    }
+
+    [IntegrationTestFact, WorkItem("https://github.com/dotnet/aspnetcore/issues/48778")]
+    public void ImplicitStringConversion_ParameterCasing_Bind_02()
+    {
+        AdditionalSyntaxTrees.Add(Parse("""
+            using Microsoft.AspNetCore.Components;
+
+            namespace Test;
+
+            public class MyComponent : ComponentBase
+            {
+                [Parameter] public string Placeholder { get; set; } = "";
+                [Parameter] public EventCallback<string> PlaceholderChanged { get; set; }
+            }
+            """));
+
+        var generated = CompileToCSharp("""
+            <MyComponent @Bind-Placeholder="@s" />
+
+            @code {
+                private string s = "abc";
+            }
+            """);
+
+        AssertDocumentNodeMatchesBaseline(generated.CodeDocument);
+        AssertCSharpDocumentMatchesBaseline(generated.CodeDocument);
+        CompileToAssembly(generated);
+    }
+
+    [IntegrationTestFact, WorkItem("https://github.com/dotnet/aspnetcore/issues/48778")]
+    public void ImplicitStringConversion_ParameterCasing_Bind_03()
+    {
+        AdditionalSyntaxTrees.Add(Parse("""
+            using Microsoft.AspNetCore.Components;
+
+            namespace Test;
+
+            public class MyComponent : ComponentBase
+            {
+                [Parameter] public string Placeholder { get; set; } = "";
+                [Parameter] public EventCallback<string> PlaceholderChanged { get; set; }
+            }
+            """));
+
+        var generated = CompileToCSharp("""
+            <MyComponent @bind-Placeholder:Get="s" @bind-Placeholder:set="Changed" />
+
+            @code {
+                private string s = "abc";
+                private void Changed(string s) { }
+            }
+            """);
+
+        AssertDocumentNodeMatchesBaseline(generated.CodeDocument);
+        AssertCSharpDocumentMatchesBaseline(generated.CodeDocument);
+        CompileToAssembly(generated);
+    }
+
     [IntegrationTestFact, WorkItem("https://dev.azure.com/devdiv/DevDiv/_workitems/edit/1869483")]
     public void AddComponentParameter()
     {
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.codegen.cs b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.codegen.cs
index 33c03ac0e13..174e2f08716 100644
--- a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.codegen.cs
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.codegen.cs
@@ -34,7 +34,15 @@ protected override void BuildRenderTree(global::Microsoft.AspNetCore.Components.
 #line default
 #line hidden
 #nullable disable
-            __o = "";
+            __o = global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.TypeCheck<global::System.Int32>(
+#nullable restore
+#line 3 "x:\dir\subdir\Test\TestComponent.cshtml"
+                          1
+
+#line default
+#line hidden
+#nullable disable
+            );
             __o = global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.TypeCheck<global::System.Boolean>(
 #nullable restore
 #line 3 "x:\dir\subdir\Test\TestComponent.cshtml"
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.ir.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.ir.txt
index 98bb70c721f..782dc2b27df 100644
--- a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.ir.txt
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.ir.txt
@@ -21,8 +21,7 @@
                 HtmlContent - (32:1,15 [2] x:\dir\subdir\Test\TestComponent.cshtml)
                     LazyIntermediateToken - (32:1,15 [2] x:\dir\subdir\Test\TestComponent.cshtml) - Html - \n
                 Component - (34:2,0 [51] x:\dir\subdir\Test\TestComponent.cshtml) - MyComponent
-                    ComponentAttribute -  - intproperty -  - AttributeStructure.SingleQuotes
-                        HtmlContent - (60:2,26 [1] x:\dir\subdir\Test\TestComponent.cshtml)
-                            LazyIntermediateToken - (60:2,26 [1] x:\dir\subdir\Test\TestComponent.cshtml) - Html - 1
+                    ComponentAttribute - (60:2,26 [1] x:\dir\subdir\Test\TestComponent.cshtml) - intproperty - IntProperty - AttributeStructure.SingleQuotes
+                        LazyIntermediateToken - (60:2,26 [1] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - 1
                     ComponentAttribute - (77:2,43 [4] x:\dir\subdir\Test\TestComponent.cshtml) - BoolProperty - BoolProperty - AttributeStructure.SingleQuotes
                         LazyIntermediateToken - (77:2,43 [4] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - true
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.mappings.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.mappings.txt
index ee9075d4c77..80ef4dbe241 100644
--- a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.mappings.txt
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.mappings.txt
@@ -1,10 +1,15 @@
-Source Location: (77:2,43 [4] x:\dir\subdir\Test\TestComponent.cshtml)
+Source Location: (60:2,26 [1] x:\dir\subdir\Test\TestComponent.cshtml)
+|1|
+Generated Location: (1459:39,26 [1] )
+|1|
+
+Source Location: (77:2,43 [4] x:\dir\subdir\Test\TestComponent.cshtml)
 |true|
-Generated Location: (1501:40,43 [4] )
+Generated Location: (1767:48,43 [4] )
 |true|
 
 Source Location: (63:2,29 [12] x:\dir\subdir\Test\TestComponent.cshtml)
 |BoolProperty|
-Generated Location: (1929:53,29 [12] )
+Generated Location: (2195:61,29 [12] )
 |BoolProperty|
 
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddAttribute/TestComponent.codegen.cs b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddAttribute/TestComponent.codegen.cs
new file mode 100644
index 00000000000..266d3fc2716
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddAttribute/TestComponent.codegen.cs
@@ -0,0 +1,50 @@
+// <auto-generated/>
+#pragma warning disable 1591
+namespace Test
+{
+    #line default
+    using global::System;
+    using global::System.Collections.Generic;
+    using global::System.Linq;
+    using global::System.Threading.Tasks;
+    using global::Microsoft.AspNetCore.Components;
+    #line default
+    #line hidden
+    #nullable restore
+    public partial class TestComponent : global::Microsoft.AspNetCore.Components.ComponentBase
+    #nullable disable
+    {
+        #pragma warning disable 219
+        private void __RazorDirectiveTokenHelpers__() {
+        }
+        #pragma warning restore 219
+        #pragma warning disable 0414
+        private static object __o = null;
+        #pragma warning restore 0414
+        #pragma warning disable 1998
+        protected override void BuildRenderTree(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder)
+        {
+            __o = global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.TypeCheck<global::System.String>(
+#nullable restore
+#line 1 "x:\dir\subdir\Test\TestComponent.cshtml"
+                            new MyClass()
+
+#line default
+#line hidden
+#nullable disable
+            );
+            __builder.AddAttribute(-1, "ChildContent", (global::Microsoft.AspNetCore.Components.RenderFragment)((__builder2) => {
+            }
+            ));
+#nullable restore
+#line 1 "x:\dir\subdir\Test\TestComponent.cshtml"
+__o = typeof(global::Test.MyComponent);
+
+#line default
+#line hidden
+#nullable disable
+        }
+        #pragma warning restore 1998
+    }
+}
+#pragma warning restore 1591
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddAttribute/TestComponent.ir.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddAttribute/TestComponent.ir.txt
new file mode 100644
index 00000000000..1439019c433
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddAttribute/TestComponent.ir.txt
@@ -0,0 +1,20 @@
+Document - 
+    NamespaceDeclaration -  - Test
+        UsingDirective - (3:1,1 [20] ) - global::System
+        UsingDirective - (26:2,1 [40] ) - global::System.Collections.Generic
+        UsingDirective - (69:3,1 [25] ) - global::System.Linq
+        UsingDirective - (97:4,1 [36] ) - global::System.Threading.Tasks
+        UsingDirective - (136:5,1 [45] ) - global::Microsoft.AspNetCore.Components
+        ClassDeclaration -  - public partial - TestComponent - global::Microsoft.AspNetCore.Components.ComponentBase - 
+            DesignTimeDirective - 
+            CSharpCode - 
+                IntermediateToken -  - CSharp - #pragma warning disable 0414
+            CSharpCode - 
+                IntermediateToken -  - CSharp - private static object __o = null;
+            CSharpCode - 
+                IntermediateToken -  - CSharp - #pragma warning restore 0414
+            MethodDeclaration -  - protected override - void - BuildRenderTree
+                Component - (0:0,0 [46] x:\dir\subdir\Test\TestComponent.cshtml) - MyComponent
+                    ComponentAttribute - (26:0,26 [16] x:\dir\subdir\Test\TestComponent.cshtml) - PlaceHolder - Placeholder - AttributeStructure.DoubleQuotes
+                        CSharpExpression - (28:0,28 [13] x:\dir\subdir\Test\TestComponent.cshtml)
+                            LazyIntermediateToken - (28:0,28 [13] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - new MyClass()
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddAttribute/TestComponent.mappings.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddAttribute/TestComponent.mappings.txt
new file mode 100644
index 00000000000..5dfb130c665
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddAttribute/TestComponent.mappings.txt
@@ -0,0 +1,5 @@
+Source Location: (28:0,28 [13] x:\dir\subdir\Test\TestComponent.cshtml)
+|new MyClass()|
+Generated Location: (1138:29,28 [13] )
+|new MyClass()|
+
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddComponentParameter/TestComponent.codegen.cs b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddComponentParameter/TestComponent.codegen.cs
new file mode 100644
index 00000000000..266d3fc2716
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddComponentParameter/TestComponent.codegen.cs
@@ -0,0 +1,50 @@
+// <auto-generated/>
+#pragma warning disable 1591
+namespace Test
+{
+    #line default
+    using global::System;
+    using global::System.Collections.Generic;
+    using global::System.Linq;
+    using global::System.Threading.Tasks;
+    using global::Microsoft.AspNetCore.Components;
+    #line default
+    #line hidden
+    #nullable restore
+    public partial class TestComponent : global::Microsoft.AspNetCore.Components.ComponentBase
+    #nullable disable
+    {
+        #pragma warning disable 219
+        private void __RazorDirectiveTokenHelpers__() {
+        }
+        #pragma warning restore 219
+        #pragma warning disable 0414
+        private static object __o = null;
+        #pragma warning restore 0414
+        #pragma warning disable 1998
+        protected override void BuildRenderTree(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder)
+        {
+            __o = global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.TypeCheck<global::System.String>(
+#nullable restore
+#line 1 "x:\dir\subdir\Test\TestComponent.cshtml"
+                            new MyClass()
+
+#line default
+#line hidden
+#nullable disable
+            );
+            __builder.AddAttribute(-1, "ChildContent", (global::Microsoft.AspNetCore.Components.RenderFragment)((__builder2) => {
+            }
+            ));
+#nullable restore
+#line 1 "x:\dir\subdir\Test\TestComponent.cshtml"
+__o = typeof(global::Test.MyComponent);
+
+#line default
+#line hidden
+#nullable disable
+        }
+        #pragma warning restore 1998
+    }
+}
+#pragma warning restore 1591
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddComponentParameter/TestComponent.ir.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddComponentParameter/TestComponent.ir.txt
new file mode 100644
index 00000000000..1439019c433
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddComponentParameter/TestComponent.ir.txt
@@ -0,0 +1,20 @@
+Document - 
+    NamespaceDeclaration -  - Test
+        UsingDirective - (3:1,1 [20] ) - global::System
+        UsingDirective - (26:2,1 [40] ) - global::System.Collections.Generic
+        UsingDirective - (69:3,1 [25] ) - global::System.Linq
+        UsingDirective - (97:4,1 [36] ) - global::System.Threading.Tasks
+        UsingDirective - (136:5,1 [45] ) - global::Microsoft.AspNetCore.Components
+        ClassDeclaration -  - public partial - TestComponent - global::Microsoft.AspNetCore.Components.ComponentBase - 
+            DesignTimeDirective - 
+            CSharpCode - 
+                IntermediateToken -  - CSharp - #pragma warning disable 0414
+            CSharpCode - 
+                IntermediateToken -  - CSharp - private static object __o = null;
+            CSharpCode - 
+                IntermediateToken -  - CSharp - #pragma warning restore 0414
+            MethodDeclaration -  - protected override - void - BuildRenderTree
+                Component - (0:0,0 [46] x:\dir\subdir\Test\TestComponent.cshtml) - MyComponent
+                    ComponentAttribute - (26:0,26 [16] x:\dir\subdir\Test\TestComponent.cshtml) - PlaceHolder - Placeholder - AttributeStructure.DoubleQuotes
+                        CSharpExpression - (28:0,28 [13] x:\dir\subdir\Test\TestComponent.cshtml)
+                            LazyIntermediateToken - (28:0,28 [13] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - new MyClass()
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddComponentParameter/TestComponent.mappings.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddComponentParameter/TestComponent.mappings.txt
new file mode 100644
index 00000000000..5dfb130c665
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddComponentParameter/TestComponent.mappings.txt
@@ -0,0 +1,5 @@
+Source Location: (28:0,28 [13] x:\dir\subdir\Test\TestComponent.cshtml)
+|new MyClass()|
+Generated Location: (1138:29,28 [13] )
+|new MyClass()|
+
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind/TestComponent.codegen.cs b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind/TestComponent.codegen.cs
new file mode 100644
index 00000000000..a1a98292df5
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind/TestComponent.codegen.cs
@@ -0,0 +1,60 @@
+// <auto-generated/>
+#pragma warning disable 1591
+namespace Test
+{
+    #line default
+    using global::System;
+    using global::System.Collections.Generic;
+    using global::System.Linq;
+    using global::System.Threading.Tasks;
+    using global::Microsoft.AspNetCore.Components;
+    #line default
+    #line hidden
+    #nullable restore
+    public partial class TestComponent : global::Microsoft.AspNetCore.Components.ComponentBase
+    #nullable disable
+    {
+        #pragma warning disable 219
+        private void __RazorDirectiveTokenHelpers__() {
+        }
+        #pragma warning restore 219
+        #pragma warning disable 0414
+        private static object __o = null;
+        #pragma warning restore 0414
+        #pragma warning disable 1998
+        protected override void BuildRenderTree(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder)
+        {
+            __o = global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.TypeCheck<global::System.String>(
+#nullable restore
+#line 1 "x:\dir\subdir\Test\TestComponent.cshtml"
+                                s
+
+#line default
+#line hidden
+#nullable disable
+            );
+            __o = global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.TypeCheck<global::Microsoft.AspNetCore.Components.EventCallback<global::System.String>>(global::Microsoft.AspNetCore.Components.EventCallback.Factory.Create<global::System.String>(this, 
+            global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.CreateInferredEventCallback(this, __value => s = __value, s)));
+            __builder.AddAttribute(-1, "ChildContent", (global::Microsoft.AspNetCore.Components.RenderFragment)((__builder2) => {
+            }
+            ));
+#nullable restore
+#line 1 "x:\dir\subdir\Test\TestComponent.cshtml"
+__o = typeof(global::Test.MyComponent);
+
+#line default
+#line hidden
+#nullable disable
+        }
+        #pragma warning restore 1998
+#nullable restore
+#line 3 "x:\dir\subdir\Test\TestComponent.cshtml"
+       
+    private string s = "abc";
+
+#line default
+#line hidden
+#nullable disable
+    }
+}
+#pragma warning restore 1591
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind/TestComponent.ir.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind/TestComponent.ir.txt
new file mode 100644
index 00000000000..d8f2902a0b7
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind/TestComponent.ir.txt
@@ -0,0 +1,29 @@
+Document - 
+    NamespaceDeclaration -  - Test
+        UsingDirective - (3:1,1 [20] ) - global::System
+        UsingDirective - (26:2,1 [40] ) - global::System.Collections.Generic
+        UsingDirective - (69:3,1 [25] ) - global::System.Linq
+        UsingDirective - (97:4,1 [36] ) - global::System.Threading.Tasks
+        UsingDirective - (136:5,1 [45] ) - global::Microsoft.AspNetCore.Components
+        ClassDeclaration -  - public partial - TestComponent - global::Microsoft.AspNetCore.Components.ComponentBase - 
+            DesignTimeDirective - 
+            CSharpCode - 
+                IntermediateToken -  - CSharp - #pragma warning disable 0414
+            CSharpCode - 
+                IntermediateToken -  - CSharp - private static object __o = null;
+            CSharpCode - 
+                IntermediateToken -  - CSharp - #pragma warning restore 0414
+            MethodDeclaration -  - protected override - void - BuildRenderTree
+                Component - (0:0,0 [37] x:\dir\subdir\Test\TestComponent.cshtml) - MyComponent
+                    ComponentAttribute - (32:0,32 [1] x:\dir\subdir\Test\TestComponent.cshtml) - PlaceHolder - Placeholder - AttributeStructure.DoubleQuotes
+                        CSharpExpression - 
+                            LazyIntermediateToken - (32:0,32 [1] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - s
+                    ComponentAttribute - (32:0,32 [1] x:\dir\subdir\Test\TestComponent.cshtml) - PlaceHolderChanged - PlaceholderChanged - AttributeStructure.DoubleQuotes
+                        CSharpExpression - 
+                            IntermediateToken -  - CSharp - global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.CreateInferredEventCallback(this, 
+                            IntermediateToken -  - CSharp - __value => s = __value
+                            IntermediateToken -  - CSharp - , s)
+                HtmlContent - (37:0,37 [4] x:\dir\subdir\Test\TestComponent.cshtml)
+                    LazyIntermediateToken - (37:0,37 [4] x:\dir\subdir\Test\TestComponent.cshtml) - Html - \n\n
+            CSharpCode - (48:2,7 [33] x:\dir\subdir\Test\TestComponent.cshtml)
+                LazyIntermediateToken - (48:2,7 [33] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - \n    private string s = "abc";\n
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind/TestComponent.mappings.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind/TestComponent.mappings.txt
new file mode 100644
index 00000000000..00a86297a89
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind/TestComponent.mappings.txt
@@ -0,0 +1,14 @@
+Source Location: (32:0,32 [1] x:\dir\subdir\Test\TestComponent.cshtml)
+|s|
+Generated Location: (1142:29,32 [1] )
+|s|
+
+Source Location: (48:2,7 [33] x:\dir\subdir\Test\TestComponent.cshtml)
+|
+    private string s = "abc";
+|
+Generated Location: (2088:51,7 [33] )
+|
+    private string s = "abc";
+|
+
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_02/TestComponent.codegen.cs b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_02/TestComponent.codegen.cs
new file mode 100644
index 00000000000..d5f40bfc401
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_02/TestComponent.codegen.cs
@@ -0,0 +1,58 @@
+// <auto-generated/>
+#pragma warning disable 1591
+namespace Test
+{
+    #line default
+    using global::System;
+    using global::System.Collections.Generic;
+    using global::System.Linq;
+    using global::System.Threading.Tasks;
+    using global::Microsoft.AspNetCore.Components;
+    #line default
+    #line hidden
+    #nullable restore
+    public partial class TestComponent : global::Microsoft.AspNetCore.Components.ComponentBase
+    #nullable disable
+    {
+        #pragma warning disable 219
+        private void __RazorDirectiveTokenHelpers__() {
+        }
+        #pragma warning restore 219
+        #pragma warning disable 0414
+        private static object __o = null;
+        #pragma warning restore 0414
+        #pragma warning disable 1998
+        protected override void BuildRenderTree(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder)
+        {
+            __o = 
+#nullable restore
+#line 1 "x:\dir\subdir\Test\TestComponent.cshtml"
+                                 s
+
+#line default
+#line hidden
+#nullable disable
+            ;
+            __builder.AddAttribute(-1, "ChildContent", (global::Microsoft.AspNetCore.Components.RenderFragment)((__builder2) => {
+            }
+            ));
+#nullable restore
+#line 1 "x:\dir\subdir\Test\TestComponent.cshtml"
+__o = typeof(global::Test.MyComponent);
+
+#line default
+#line hidden
+#nullable disable
+        }
+        #pragma warning restore 1998
+#nullable restore
+#line 3 "x:\dir\subdir\Test\TestComponent.cshtml"
+       
+    private string s = "abc";
+
+#line default
+#line hidden
+#nullable disable
+    }
+}
+#pragma warning restore 1591
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_02/TestComponent.ir.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_02/TestComponent.ir.txt
new file mode 100644
index 00000000000..1e6c71ab412
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_02/TestComponent.ir.txt
@@ -0,0 +1,24 @@
+Document - 
+    NamespaceDeclaration -  - Test
+        UsingDirective - (3:1,1 [20] ) - global::System
+        UsingDirective - (26:2,1 [40] ) - global::System.Collections.Generic
+        UsingDirective - (69:3,1 [25] ) - global::System.Linq
+        UsingDirective - (97:4,1 [36] ) - global::System.Threading.Tasks
+        UsingDirective - (136:5,1 [45] ) - global::Microsoft.AspNetCore.Components
+        ClassDeclaration -  - public partial - TestComponent - global::Microsoft.AspNetCore.Components.ComponentBase - 
+            DesignTimeDirective - 
+            CSharpCode - 
+                IntermediateToken -  - CSharp - #pragma warning disable 0414
+            CSharpCode - 
+                IntermediateToken -  - CSharp - private static object __o = null;
+            CSharpCode - 
+                IntermediateToken -  - CSharp - #pragma warning restore 0414
+            MethodDeclaration -  - protected override - void - BuildRenderTree
+                Component - (0:0,0 [38] x:\dir\subdir\Test\TestComponent.cshtml) - MyComponent
+                    ComponentAttribute -  - @Bind-Placeholder -  - AttributeStructure.DoubleQuotes
+                        CSharpExpression - (32:0,32 [2] x:\dir\subdir\Test\TestComponent.cshtml)
+                            LazyIntermediateToken - (33:0,33 [1] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - s
+                HtmlContent - (38:0,38 [4] x:\dir\subdir\Test\TestComponent.cshtml)
+                    LazyIntermediateToken - (38:0,38 [4] x:\dir\subdir\Test\TestComponent.cshtml) - Html - \n\n
+            CSharpCode - (49:2,7 [33] x:\dir\subdir\Test\TestComponent.cshtml)
+                LazyIntermediateToken - (49:2,7 [33] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - \n    private string s = "abc";\n
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_02/TestComponent.mappings.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_02/TestComponent.mappings.txt
new file mode 100644
index 00000000000..47657f51246
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_02/TestComponent.mappings.txt
@@ -0,0 +1,14 @@
+Source Location: (33:0,33 [1] x:\dir\subdir\Test\TestComponent.cshtml)
+|s|
+Generated Location: (1038:29,33 [1] )
+|s|
+
+Source Location: (49:2,7 [33] x:\dir\subdir\Test\TestComponent.cshtml)
+|
+    private string s = "abc";
+|
+Generated Location: (1556:49,7 [33] )
+|
+    private string s = "abc";
+|
+
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.codegen.cs b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.codegen.cs
new file mode 100644
index 00000000000..09aa2dbeda4
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.codegen.cs
@@ -0,0 +1,60 @@
+// <auto-generated/>
+#pragma warning disable 1591
+namespace Test
+{
+    #line default
+    using global::System;
+    using global::System.Collections.Generic;
+    using global::System.Linq;
+    using global::System.Threading.Tasks;
+    using global::Microsoft.AspNetCore.Components;
+    #line default
+    #line hidden
+    #nullable restore
+    public partial class TestComponent : global::Microsoft.AspNetCore.Components.ComponentBase
+    #nullable disable
+    {
+        #pragma warning disable 219
+        private void __RazorDirectiveTokenHelpers__() {
+        }
+        #pragma warning restore 219
+        #pragma warning disable 0414
+        private static object __o = null;
+        #pragma warning restore 0414
+        #pragma warning disable 1998
+        protected override void BuildRenderTree(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder)
+        {
+            __o = 
+#nullable restore
+#line 1 "x:\dir\subdir\Test\TestComponent.cshtml"
+                                    s
+
+#line default
+#line hidden
+#nullable disable
+            ;
+            __o = global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.CreateInferredEventCallback(this, __value => s = __value, s);
+            __builder.AddAttribute(-1, "ChildContent", (global::Microsoft.AspNetCore.Components.RenderFragment)((__builder2) => {
+            }
+            ));
+#nullable restore
+#line 1 "x:\dir\subdir\Test\TestComponent.cshtml"
+__o = typeof(global::Test.MyComponent);
+
+#line default
+#line hidden
+#nullable disable
+        }
+        #pragma warning restore 1998
+#nullable restore
+#line 3 "x:\dir\subdir\Test\TestComponent.cshtml"
+       
+    private string s = "abc";
+    private void Changed(string s) { }
+
+#line default
+#line hidden
+#nullable disable
+    }
+}
+#pragma warning restore 1591
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.diagnostics.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.diagnostics.txt
new file mode 100644
index 00000000000..817d6e387c8
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.diagnostics.txt
@@ -0,0 +1 @@
+x:\dir\subdir\Test\TestComponent.cshtml(1,63): Error RZ10016: Attribute 'bind-Placeholder:set' was used but no attribute 'bind-Placeholder:get' was found.
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.ir.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.ir.txt
new file mode 100644
index 00000000000..ed2adadf302
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.ir.txt
@@ -0,0 +1,29 @@
+Document - 
+    NamespaceDeclaration -  - Test
+        UsingDirective - (3:1,1 [20] ) - global::System
+        UsingDirective - (26:2,1 [40] ) - global::System.Collections.Generic
+        UsingDirective - (69:3,1 [25] ) - global::System.Linq
+        UsingDirective - (97:4,1 [36] ) - global::System.Threading.Tasks
+        UsingDirective - (136:5,1 [45] ) - global::Microsoft.AspNetCore.Components
+        ClassDeclaration -  - public partial - TestComponent - global::Microsoft.AspNetCore.Components.ComponentBase - 
+            DesignTimeDirective - 
+            CSharpCode - 
+                IntermediateToken -  - CSharp - #pragma warning disable 0414
+            CSharpCode - 
+                IntermediateToken -  - CSharp - private static object __o = null;
+            CSharpCode - 
+                IntermediateToken -  - CSharp - #pragma warning restore 0414
+            MethodDeclaration -  - protected override - void - BuildRenderTree
+                Component - (0:0,0 [73] x:\dir\subdir\Test\TestComponent.cshtml) - MyComponent
+                    ComponentAttribute - (36:0,36 [1] x:\dir\subdir\Test\TestComponent.cshtml) - Placeholder:Get -  - AttributeStructure.DoubleQuotes
+                        CSharpExpression - 
+                            LazyIntermediateToken - (36:0,36 [1] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - s
+                    ComponentAttribute - (36:0,36 [1] x:\dir\subdir\Test\TestComponent.cshtml) - Placeholder:GetChanged -  - AttributeStructure.DoubleQuotes
+                        CSharpExpression - 
+                            IntermediateToken -  - CSharp - global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.CreateInferredEventCallback(this, 
+                            IntermediateToken -  - CSharp - __value => s = __value
+                            IntermediateToken -  - CSharp - , s)
+                HtmlContent - (73:0,73 [4] x:\dir\subdir\Test\TestComponent.cshtml)
+                    LazyIntermediateToken - (73:0,73 [4] x:\dir\subdir\Test\TestComponent.cshtml) - Html - \n\n
+            CSharpCode - (84:2,7 [73] x:\dir\subdir\Test\TestComponent.cshtml)
+                LazyIntermediateToken - (84:2,7 [73] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - \n    private string s = "abc";\n    private void Changed(string s) { }\n
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.mappings.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.mappings.txt
new file mode 100644
index 00000000000..0f956ee67a7
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.mappings.txt
@@ -0,0 +1,16 @@
+Source Location: (36:0,36 [1] x:\dir\subdir\Test\TestComponent.cshtml)
+|s|
+Generated Location: (1041:29,36 [1] )
+|s|
+
+Source Location: (84:2,7 [73] x:\dir\subdir\Test\TestComponent.cshtml)
+|
+    private string s = "abc";
+    private void Changed(string s) { }
+|
+Generated Location: (1712:50,7 [73] )
+|
+    private string s = "abc";
+    private void Changed(string s) { }
+|
+
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Multiple/TestComponent.codegen.cs b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Multiple/TestComponent.codegen.cs
new file mode 100644
index 00000000000..266d3fc2716
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Multiple/TestComponent.codegen.cs
@@ -0,0 +1,50 @@
+// <auto-generated/>
+#pragma warning disable 1591
+namespace Test
+{
+    #line default
+    using global::System;
+    using global::System.Collections.Generic;
+    using global::System.Linq;
+    using global::System.Threading.Tasks;
+    using global::Microsoft.AspNetCore.Components;
+    #line default
+    #line hidden
+    #nullable restore
+    public partial class TestComponent : global::Microsoft.AspNetCore.Components.ComponentBase
+    #nullable disable
+    {
+        #pragma warning disable 219
+        private void __RazorDirectiveTokenHelpers__() {
+        }
+        #pragma warning restore 219
+        #pragma warning disable 0414
+        private static object __o = null;
+        #pragma warning restore 0414
+        #pragma warning disable 1998
+        protected override void BuildRenderTree(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder)
+        {
+            __o = global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.TypeCheck<global::System.String>(
+#nullable restore
+#line 1 "x:\dir\subdir\Test\TestComponent.cshtml"
+                            new MyClass()
+
+#line default
+#line hidden
+#nullable disable
+            );
+            __builder.AddAttribute(-1, "ChildContent", (global::Microsoft.AspNetCore.Components.RenderFragment)((__builder2) => {
+            }
+            ));
+#nullable restore
+#line 1 "x:\dir\subdir\Test\TestComponent.cshtml"
+__o = typeof(global::Test.MyComponent);
+
+#line default
+#line hidden
+#nullable disable
+        }
+        #pragma warning restore 1998
+    }
+}
+#pragma warning restore 1591
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Multiple/TestComponent.ir.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Multiple/TestComponent.ir.txt
new file mode 100644
index 00000000000..1439019c433
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Multiple/TestComponent.ir.txt
@@ -0,0 +1,20 @@
+Document - 
+    NamespaceDeclaration -  - Test
+        UsingDirective - (3:1,1 [20] ) - global::System
+        UsingDirective - (26:2,1 [40] ) - global::System.Collections.Generic
+        UsingDirective - (69:3,1 [25] ) - global::System.Linq
+        UsingDirective - (97:4,1 [36] ) - global::System.Threading.Tasks
+        UsingDirective - (136:5,1 [45] ) - global::Microsoft.AspNetCore.Components
+        ClassDeclaration -  - public partial - TestComponent - global::Microsoft.AspNetCore.Components.ComponentBase - 
+            DesignTimeDirective - 
+            CSharpCode - 
+                IntermediateToken -  - CSharp - #pragma warning disable 0414
+            CSharpCode - 
+                IntermediateToken -  - CSharp - private static object __o = null;
+            CSharpCode - 
+                IntermediateToken -  - CSharp - #pragma warning restore 0414
+            MethodDeclaration -  - protected override - void - BuildRenderTree
+                Component - (0:0,0 [46] x:\dir\subdir\Test\TestComponent.cshtml) - MyComponent
+                    ComponentAttribute - (26:0,26 [16] x:\dir\subdir\Test\TestComponent.cshtml) - PlaceHolder - Placeholder - AttributeStructure.DoubleQuotes
+                        CSharpExpression - (28:0,28 [13] x:\dir\subdir\Test\TestComponent.cshtml)
+                            LazyIntermediateToken - (28:0,28 [13] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - new MyClass()
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Multiple/TestComponent.mappings.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Multiple/TestComponent.mappings.txt
new file mode 100644
index 00000000000..5dfb130c665
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Multiple/TestComponent.mappings.txt
@@ -0,0 +1,5 @@
+Source Location: (28:0,28 [13] x:\dir\subdir\Test\TestComponent.cshtml)
+|new MyClass()|
+Generated Location: (1138:29,28 [13] )
+|new MyClass()|
+
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.codegen.cs b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.codegen.cs
index 5a0c90c147e..ad0df196a80 100644
--- a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.codegen.cs
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.codegen.cs
@@ -21,7 +21,23 @@ protected override void BuildRenderTree(global::Microsoft.AspNetCore.Components.
             __builder.CloseComponent();
             __builder.AddMarkupContent(1, "\r\n<mycomponent></mycomponent>\r\n");
             __builder.OpenComponent<global::Test.MyComponent>(2);
-            __builder.AddComponentParameter(3, "intproperty", "1");
+            __builder.AddComponentParameter(3, nameof(global::Test.MyComponent.
+#nullable restore
+#line (3,14)-(3,25) "x:\dir\subdir\Test\TestComponent.cshtml"
+IntProperty
+
+#line default
+#line hidden
+#nullable disable
+            ), global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.TypeCheck<global::System.Int32>(
+#nullable restore
+#line (3,27)-(3,28) "x:\dir\subdir\Test\TestComponent.cshtml"
+1
+
+#line default
+#line hidden
+#nullable disable
+            ));
             __builder.AddComponentParameter(4, nameof(global::Test.MyComponent.
 #nullable restore
 #line (3,30)-(3,42) "x:\dir\subdir\Test\TestComponent.cshtml"
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.ir.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.ir.txt
index 73801308916..0ae2e9d028c 100644
--- a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.ir.txt
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.ir.txt
@@ -10,8 +10,7 @@
                 Component - (0:0,0 [15] x:\dir\subdir\Test\TestComponent.cshtml) - MyComponent
                 MarkupBlock -  - \n<mycomponent></mycomponent>\n
                 Component - (34:2,0 [51] x:\dir\subdir\Test\TestComponent.cshtml) - MyComponent
-                    ComponentAttribute -  - intproperty -  - AttributeStructure.SingleQuotes
-                        HtmlContent - (60:2,26 [1] x:\dir\subdir\Test\TestComponent.cshtml)
-                            LazyIntermediateToken - (60:2,26 [1] x:\dir\subdir\Test\TestComponent.cshtml) - Html - 1
+                    ComponentAttribute - (60:2,26 [1] x:\dir\subdir\Test\TestComponent.cshtml) - intproperty - IntProperty - AttributeStructure.SingleQuotes
+                        LazyIntermediateToken - (60:2,26 [1] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - 1
                     ComponentAttribute - (77:2,43 [4] x:\dir\subdir\Test\TestComponent.cshtml) - BoolProperty - BoolProperty - AttributeStructure.SingleQuotes
                         LazyIntermediateToken - (77:2,43 [4] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - true
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.mappings.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.mappings.txt
index 1ea450a69b9..5b4cb92abc6 100644
--- a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.mappings.txt
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/Component_MatchingIsCaseSensitive/TestComponent.mappings.txt
@@ -1,10 +1,20 @@
-Source Location: (63:2,29 [12] x:\dir\subdir\Test\TestComponent.cshtml)
+Source Location: (47:2,13 [11] x:\dir\subdir\Test\TestComponent.cshtml)
+|intproperty|
+Generated Location: (1075:26,0 [11] )
+|IntProperty|
+
+Source Location: (60:2,26 [1] x:\dir\subdir\Test\TestComponent.cshtml)
+|1|
+Generated Location: (1341:34,0 [1] )
+|1|
+
+Source Location: (63:2,29 [12] x:\dir\subdir\Test\TestComponent.cshtml)
 |BoolProperty|
-Generated Location: (1144:27,0 [12] )
+Generated Location: (1574:43,0 [12] )
 |BoolProperty|
 
 Source Location: (77:2,43 [4] x:\dir\subdir\Test\TestComponent.cshtml)
 |true|
-Generated Location: (1413:35,0 [4] )
+Generated Location: (1843:51,0 [4] )
 |true|
 
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddAttribute/TestComponent.codegen.cs b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddAttribute/TestComponent.codegen.cs
new file mode 100644
index 00000000000..04335dd0de6
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddAttribute/TestComponent.codegen.cs
@@ -0,0 +1,43 @@
+// <auto-generated/>
+#pragma warning disable 1591
+namespace Test
+{
+    #line default
+    using global::System;
+    using global::System.Collections.Generic;
+    using global::System.Linq;
+    using global::System.Threading.Tasks;
+    using global::Microsoft.AspNetCore.Components;
+    #line default
+    #line hidden
+    #nullable restore
+    public partial class TestComponent : global::Microsoft.AspNetCore.Components.ComponentBase
+    #nullable disable
+    {
+        #pragma warning disable 1998
+        protected override void BuildRenderTree(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder)
+        {
+            __builder.OpenComponent<global::Test.MyComponent>(0);
+            __builder.AddAttribute(1, nameof(global::Test.MyComponent.
+#nullable restore
+#line (1,14)-(1,25) "x:\dir\subdir\Test\TestComponent.cshtml"
+Placeholder
+
+#line default
+#line hidden
+#nullable disable
+            ), (object)(global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.TypeCheck<global::System.String>(
+#nullable restore
+#line (1,29)-(1,42) "x:\dir\subdir\Test\TestComponent.cshtml"
+new MyClass()
+
+#line default
+#line hidden
+#nullable disable
+            )));
+            __builder.CloseComponent();
+        }
+        #pragma warning restore 1998
+    }
+}
+#pragma warning restore 1591
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddAttribute/TestComponent.ir.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddAttribute/TestComponent.ir.txt
new file mode 100644
index 00000000000..0a447d92579
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddAttribute/TestComponent.ir.txt
@@ -0,0 +1,13 @@
+Document - 
+    NamespaceDeclaration -  - Test
+        UsingDirective - (3:1,1 [22] ) - global::System
+        UsingDirective - (26:2,1 [42] ) - global::System.Collections.Generic
+        UsingDirective - (69:3,1 [27] ) - global::System.Linq
+        UsingDirective - (97:4,1 [38] ) - global::System.Threading.Tasks
+        UsingDirective - (136:5,1 [47] ) - global::Microsoft.AspNetCore.Components
+        ClassDeclaration -  - public partial - TestComponent - global::Microsoft.AspNetCore.Components.ComponentBase - 
+            MethodDeclaration -  - protected override - void - BuildRenderTree
+                Component - (0:0,0 [46] x:\dir\subdir\Test\TestComponent.cshtml) - MyComponent
+                    ComponentAttribute - (26:0,26 [16] x:\dir\subdir\Test\TestComponent.cshtml) - PlaceHolder - Placeholder - AttributeStructure.DoubleQuotes
+                        CSharpExpression - (28:0,28 [13] x:\dir\subdir\Test\TestComponent.cshtml)
+                            LazyIntermediateToken - (28:0,28 [13] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - new MyClass()
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddAttribute/TestComponent.mappings.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddAttribute/TestComponent.mappings.txt
new file mode 100644
index 00000000000..b01cda0ae12
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddAttribute/TestComponent.mappings.txt
@@ -0,0 +1,10 @@
+Source Location: (13:0,13 [11] x:\dir\subdir\Test\TestComponent.cshtml)
+|PlaceHolder|
+Generated Location: (875:23,0 [11] )
+|Placeholder|
+
+Source Location: (28:0,28 [13] x:\dir\subdir\Test\TestComponent.cshtml)
+|new MyClass()|
+Generated Location: (1151:31,0 [13] )
+|new MyClass()|
+
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddComponentParameter/TestComponent.codegen.cs b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddComponentParameter/TestComponent.codegen.cs
new file mode 100644
index 00000000000..8a15e19fa41
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddComponentParameter/TestComponent.codegen.cs
@@ -0,0 +1,43 @@
+// <auto-generated/>
+#pragma warning disable 1591
+namespace Test
+{
+    #line default
+    using global::System;
+    using global::System.Collections.Generic;
+    using global::System.Linq;
+    using global::System.Threading.Tasks;
+    using global::Microsoft.AspNetCore.Components;
+    #line default
+    #line hidden
+    #nullable restore
+    public partial class TestComponent : global::Microsoft.AspNetCore.Components.ComponentBase
+    #nullable disable
+    {
+        #pragma warning disable 1998
+        protected override void BuildRenderTree(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder)
+        {
+            __builder.OpenComponent<global::Test.MyComponent>(0);
+            __builder.AddComponentParameter(1, nameof(global::Test.MyComponent.
+#nullable restore
+#line (1,14)-(1,25) "x:\dir\subdir\Test\TestComponent.cshtml"
+Placeholder
+
+#line default
+#line hidden
+#nullable disable
+            ), global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.TypeCheck<global::System.String>(
+#nullable restore
+#line (1,29)-(1,42) "x:\dir\subdir\Test\TestComponent.cshtml"
+new MyClass()
+
+#line default
+#line hidden
+#nullable disable
+            ));
+            __builder.CloseComponent();
+        }
+        #pragma warning restore 1998
+    }
+}
+#pragma warning restore 1591
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddComponentParameter/TestComponent.ir.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddComponentParameter/TestComponent.ir.txt
new file mode 100644
index 00000000000..0a447d92579
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddComponentParameter/TestComponent.ir.txt
@@ -0,0 +1,13 @@
+Document - 
+    NamespaceDeclaration -  - Test
+        UsingDirective - (3:1,1 [22] ) - global::System
+        UsingDirective - (26:2,1 [42] ) - global::System.Collections.Generic
+        UsingDirective - (69:3,1 [27] ) - global::System.Linq
+        UsingDirective - (97:4,1 [38] ) - global::System.Threading.Tasks
+        UsingDirective - (136:5,1 [47] ) - global::Microsoft.AspNetCore.Components
+        ClassDeclaration -  - public partial - TestComponent - global::Microsoft.AspNetCore.Components.ComponentBase - 
+            MethodDeclaration -  - protected override - void - BuildRenderTree
+                Component - (0:0,0 [46] x:\dir\subdir\Test\TestComponent.cshtml) - MyComponent
+                    ComponentAttribute - (26:0,26 [16] x:\dir\subdir\Test\TestComponent.cshtml) - PlaceHolder - Placeholder - AttributeStructure.DoubleQuotes
+                        CSharpExpression - (28:0,28 [13] x:\dir\subdir\Test\TestComponent.cshtml)
+                            LazyIntermediateToken - (28:0,28 [13] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - new MyClass()
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddComponentParameter/TestComponent.mappings.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddComponentParameter/TestComponent.mappings.txt
new file mode 100644
index 00000000000..70756d5b4e6
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_AddComponentParameter/TestComponent.mappings.txt
@@ -0,0 +1,10 @@
+Source Location: (13:0,13 [11] x:\dir\subdir\Test\TestComponent.cshtml)
+|PlaceHolder|
+Generated Location: (884:23,0 [11] )
+|Placeholder|
+
+Source Location: (28:0,28 [13] x:\dir\subdir\Test\TestComponent.cshtml)
+|new MyClass()|
+Generated Location: (1151:31,0 [13] )
+|new MyClass()|
+
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind/TestComponent.codegen.cs b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind/TestComponent.codegen.cs
new file mode 100644
index 00000000000..f3b38663347
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind/TestComponent.codegen.cs
@@ -0,0 +1,53 @@
+// <auto-generated/>
+#pragma warning disable 1591
+namespace Test
+{
+    #line default
+    using global::System;
+    using global::System.Collections.Generic;
+    using global::System.Linq;
+    using global::System.Threading.Tasks;
+    using global::Microsoft.AspNetCore.Components;
+    #line default
+    #line hidden
+    #nullable restore
+    public partial class TestComponent : global::Microsoft.AspNetCore.Components.ComponentBase
+    #nullable disable
+    {
+        #pragma warning disable 1998
+        protected override void BuildRenderTree(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder)
+        {
+            __builder.OpenComponent<global::Test.MyComponent>(0);
+            __builder.AddComponentParameter(1, nameof(global::Test.MyComponent.
+#nullable restore
+#line (1,20)-(1,31) "x:\dir\subdir\Test\TestComponent.cshtml"
+Placeholder
+
+#line default
+#line hidden
+#nullable disable
+            ), global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.TypeCheck<global::System.String>(
+#nullable restore
+#line (1,33)-(1,34) "x:\dir\subdir\Test\TestComponent.cshtml"
+s
+
+#line default
+#line hidden
+#nullable disable
+            ));
+            __builder.AddComponentParameter(2, nameof(global::Test.MyComponent.PlaceholderChanged), global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.TypeCheck<global::Microsoft.AspNetCore.Components.EventCallback<global::System.String>>(global::Microsoft.AspNetCore.Components.EventCallback.Factory.Create<global::System.String>(this, global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.CreateInferredEventCallback(this, __value => s = __value, s))));
+            __builder.CloseComponent();
+        }
+        #pragma warning restore 1998
+#nullable restore
+#line (3,8)-(5,1) "x:\dir\subdir\Test\TestComponent.cshtml"
+
+    private string s = "abc";
+
+#line default
+#line hidden
+#nullable disable
+
+    }
+}
+#pragma warning restore 1591
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind/TestComponent.ir.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind/TestComponent.ir.txt
new file mode 100644
index 00000000000..ff6ad5db165
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind/TestComponent.ir.txt
@@ -0,0 +1,20 @@
+Document - 
+    NamespaceDeclaration -  - Test
+        UsingDirective - (3:1,1 [22] ) - global::System
+        UsingDirective - (26:2,1 [42] ) - global::System.Collections.Generic
+        UsingDirective - (69:3,1 [27] ) - global::System.Linq
+        UsingDirective - (97:4,1 [38] ) - global::System.Threading.Tasks
+        UsingDirective - (136:5,1 [47] ) - global::Microsoft.AspNetCore.Components
+        ClassDeclaration -  - public partial - TestComponent - global::Microsoft.AspNetCore.Components.ComponentBase - 
+            MethodDeclaration -  - protected override - void - BuildRenderTree
+                Component - (0:0,0 [37] x:\dir\subdir\Test\TestComponent.cshtml) - MyComponent
+                    ComponentAttribute - (32:0,32 [1] x:\dir\subdir\Test\TestComponent.cshtml) - PlaceHolder - Placeholder - AttributeStructure.DoubleQuotes
+                        CSharpExpression - 
+                            LazyIntermediateToken - (32:0,32 [1] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - s
+                    ComponentAttribute - (32:0,32 [1] x:\dir\subdir\Test\TestComponent.cshtml) - PlaceHolderChanged - PlaceholderChanged - AttributeStructure.DoubleQuotes
+                        CSharpExpression - 
+                            IntermediateToken -  - CSharp - global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.CreateInferredEventCallback(this, 
+                            IntermediateToken -  - CSharp - __value => s = __value
+                            IntermediateToken -  - CSharp - , s)
+            CSharpCode - (48:2,7 [33] x:\dir\subdir\Test\TestComponent.cshtml)
+                LazyIntermediateToken - (48:2,7 [33] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - \n    private string s = "abc";\n
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind/TestComponent.mappings.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind/TestComponent.mappings.txt
new file mode 100644
index 00000000000..376104183be
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind/TestComponent.mappings.txt
@@ -0,0 +1,19 @@
+Source Location: (19:0,19 [11] x:\dir\subdir\Test\TestComponent.cshtml)
+|PlaceHolder|
+Generated Location: (884:23,0 [11] )
+|Placeholder|
+
+Source Location: (32:0,32 [1] x:\dir\subdir\Test\TestComponent.cshtml)
+|s|
+Generated Location: (1151:31,0 [1] )
+|s|
+
+Source Location: (48:2,7 [33] x:\dir\subdir\Test\TestComponent.cshtml)
+|
+    private string s = "abc";
+|
+Generated Location: (1887:43,0 [33] )
+|
+    private string s = "abc";
+|
+
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_02/TestComponent.codegen.cs b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_02/TestComponent.codegen.cs
new file mode 100644
index 00000000000..88e989c97f3
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_02/TestComponent.codegen.cs
@@ -0,0 +1,44 @@
+// <auto-generated/>
+#pragma warning disable 1591
+namespace Test
+{
+    #line default
+    using global::System;
+    using global::System.Collections.Generic;
+    using global::System.Linq;
+    using global::System.Threading.Tasks;
+    using global::Microsoft.AspNetCore.Components;
+    #line default
+    #line hidden
+    #nullable restore
+    public partial class TestComponent : global::Microsoft.AspNetCore.Components.ComponentBase
+    #nullable disable
+    {
+        #pragma warning disable 1998
+        protected override void BuildRenderTree(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder)
+        {
+            __builder.OpenComponent<global::Test.MyComponent>(0);
+            __builder.AddComponentParameter(1, "@Bind-Placeholder", 
+#nullable restore
+#line (1,34)-(1,35) "x:\dir\subdir\Test\TestComponent.cshtml"
+s
+
+#line default
+#line hidden
+#nullable disable
+            );
+            __builder.CloseComponent();
+        }
+        #pragma warning restore 1998
+#nullable restore
+#line (3,8)-(5,1) "x:\dir\subdir\Test\TestComponent.cshtml"
+
+    private string s = "abc";
+
+#line default
+#line hidden
+#nullable disable
+
+    }
+}
+#pragma warning restore 1591
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_02/TestComponent.ir.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_02/TestComponent.ir.txt
new file mode 100644
index 00000000000..d28e317d119
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_02/TestComponent.ir.txt
@@ -0,0 +1,15 @@
+Document - 
+    NamespaceDeclaration -  - Test
+        UsingDirective - (3:1,1 [22] ) - global::System
+        UsingDirective - (26:2,1 [42] ) - global::System.Collections.Generic
+        UsingDirective - (69:3,1 [27] ) - global::System.Linq
+        UsingDirective - (97:4,1 [38] ) - global::System.Threading.Tasks
+        UsingDirective - (136:5,1 [47] ) - global::Microsoft.AspNetCore.Components
+        ClassDeclaration -  - public partial - TestComponent - global::Microsoft.AspNetCore.Components.ComponentBase - 
+            MethodDeclaration -  - protected override - void - BuildRenderTree
+                Component - (0:0,0 [38] x:\dir\subdir\Test\TestComponent.cshtml) - MyComponent
+                    ComponentAttribute -  - @Bind-Placeholder -  - AttributeStructure.DoubleQuotes
+                        CSharpExpression - (32:0,32 [2] x:\dir\subdir\Test\TestComponent.cshtml)
+                            LazyIntermediateToken - (33:0,33 [1] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - s
+            CSharpCode - (49:2,7 [33] x:\dir\subdir\Test\TestComponent.cshtml)
+                LazyIntermediateToken - (49:2,7 [33] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - \n    private string s = "abc";\n
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_02/TestComponent.mappings.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_02/TestComponent.mappings.txt
new file mode 100644
index 00000000000..1ed51a1dc34
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_02/TestComponent.mappings.txt
@@ -0,0 +1,14 @@
+Source Location: (33:0,33 [1] x:\dir\subdir\Test\TestComponent.cshtml)
+|s|
+Generated Location: (873:23,0 [1] )
+|s|
+
+Source Location: (49:2,7 [33] x:\dir\subdir\Test\TestComponent.cshtml)
+|
+    private string s = "abc";
+|
+Generated Location: (1112:34,0 [33] )
+|
+    private string s = "abc";
+|
+
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.codegen.cs b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.codegen.cs
new file mode 100644
index 00000000000..46a6ee4796a
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.codegen.cs
@@ -0,0 +1,46 @@
+// <auto-generated/>
+#pragma warning disable 1591
+namespace Test
+{
+    #line default
+    using global::System;
+    using global::System.Collections.Generic;
+    using global::System.Linq;
+    using global::System.Threading.Tasks;
+    using global::Microsoft.AspNetCore.Components;
+    #line default
+    #line hidden
+    #nullable restore
+    public partial class TestComponent : global::Microsoft.AspNetCore.Components.ComponentBase
+    #nullable disable
+    {
+        #pragma warning disable 1998
+        protected override void BuildRenderTree(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder)
+        {
+            __builder.OpenComponent<global::Test.MyComponent>(0);
+            __builder.AddComponentParameter(1, "Placeholder:Get", 
+#nullable restore
+#line (1,37)-(1,38) "x:\dir\subdir\Test\TestComponent.cshtml"
+s
+
+#line default
+#line hidden
+#nullable disable
+            );
+            __builder.AddComponentParameter(2, "Placeholder:GetChanged", global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.CreateInferredEventCallback(this, __value => s = __value, s));
+            __builder.CloseComponent();
+        }
+        #pragma warning restore 1998
+#nullable restore
+#line (3,8)-(6,1) "x:\dir\subdir\Test\TestComponent.cshtml"
+
+    private string s = "abc";
+    private void Changed(string s) { }
+
+#line default
+#line hidden
+#nullable disable
+
+    }
+}
+#pragma warning restore 1591
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.diagnostics.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.diagnostics.txt
new file mode 100644
index 00000000000..817d6e387c8
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.diagnostics.txt
@@ -0,0 +1 @@
+x:\dir\subdir\Test\TestComponent.cshtml(1,63): Error RZ10016: Attribute 'bind-Placeholder:set' was used but no attribute 'bind-Placeholder:get' was found.
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.ir.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.ir.txt
new file mode 100644
index 00000000000..d06ffd425a3
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.ir.txt
@@ -0,0 +1,20 @@
+Document - 
+    NamespaceDeclaration -  - Test
+        UsingDirective - (3:1,1 [22] ) - global::System
+        UsingDirective - (26:2,1 [42] ) - global::System.Collections.Generic
+        UsingDirective - (69:3,1 [27] ) - global::System.Linq
+        UsingDirective - (97:4,1 [38] ) - global::System.Threading.Tasks
+        UsingDirective - (136:5,1 [47] ) - global::Microsoft.AspNetCore.Components
+        ClassDeclaration -  - public partial - TestComponent - global::Microsoft.AspNetCore.Components.ComponentBase - 
+            MethodDeclaration -  - protected override - void - BuildRenderTree
+                Component - (0:0,0 [73] x:\dir\subdir\Test\TestComponent.cshtml) - MyComponent
+                    ComponentAttribute - (36:0,36 [1] x:\dir\subdir\Test\TestComponent.cshtml) - Placeholder:Get -  - AttributeStructure.DoubleQuotes
+                        CSharpExpression - 
+                            LazyIntermediateToken - (36:0,36 [1] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - s
+                    ComponentAttribute - (36:0,36 [1] x:\dir\subdir\Test\TestComponent.cshtml) - Placeholder:GetChanged -  - AttributeStructure.DoubleQuotes
+                        CSharpExpression - 
+                            IntermediateToken -  - CSharp - global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.CreateInferredEventCallback(this, 
+                            IntermediateToken -  - CSharp - __value => s = __value
+                            IntermediateToken -  - CSharp - , s)
+            CSharpCode - (84:2,7 [73] x:\dir\subdir\Test\TestComponent.cshtml)
+                LazyIntermediateToken - (84:2,7 [73] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - \n    private string s = "abc";\n    private void Changed(string s) { }\n
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.mappings.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.mappings.txt
new file mode 100644
index 00000000000..05e5eedb366
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Bind_03/TestComponent.mappings.txt
@@ -0,0 +1,16 @@
+Source Location: (36:0,36 [1] x:\dir\subdir\Test\TestComponent.cshtml)
+|s|
+Generated Location: (871:23,0 [1] )
+|s|
+
+Source Location: (84:2,7 [73] x:\dir\subdir\Test\TestComponent.cshtml)
+|
+    private string s = "abc";
+    private void Changed(string s) { }
+|
+Generated Location: (1319:35,0 [73] )
+|
+    private string s = "abc";
+    private void Changed(string s) { }
+|
+
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Multiple/TestComponent.codegen.cs b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Multiple/TestComponent.codegen.cs
new file mode 100644
index 00000000000..8a15e19fa41
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Multiple/TestComponent.codegen.cs
@@ -0,0 +1,43 @@
+// <auto-generated/>
+#pragma warning disable 1591
+namespace Test
+{
+    #line default
+    using global::System;
+    using global::System.Collections.Generic;
+    using global::System.Linq;
+    using global::System.Threading.Tasks;
+    using global::Microsoft.AspNetCore.Components;
+    #line default
+    #line hidden
+    #nullable restore
+    public partial class TestComponent : global::Microsoft.AspNetCore.Components.ComponentBase
+    #nullable disable
+    {
+        #pragma warning disable 1998
+        protected override void BuildRenderTree(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder)
+        {
+            __builder.OpenComponent<global::Test.MyComponent>(0);
+            __builder.AddComponentParameter(1, nameof(global::Test.MyComponent.
+#nullable restore
+#line (1,14)-(1,25) "x:\dir\subdir\Test\TestComponent.cshtml"
+Placeholder
+
+#line default
+#line hidden
+#nullable disable
+            ), global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.TypeCheck<global::System.String>(
+#nullable restore
+#line (1,29)-(1,42) "x:\dir\subdir\Test\TestComponent.cshtml"
+new MyClass()
+
+#line default
+#line hidden
+#nullable disable
+            ));
+            __builder.CloseComponent();
+        }
+        #pragma warning restore 1998
+    }
+}
+#pragma warning restore 1591
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Multiple/TestComponent.ir.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Multiple/TestComponent.ir.txt
new file mode 100644
index 00000000000..0a447d92579
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Multiple/TestComponent.ir.txt
@@ -0,0 +1,13 @@
+Document - 
+    NamespaceDeclaration -  - Test
+        UsingDirective - (3:1,1 [22] ) - global::System
+        UsingDirective - (26:2,1 [42] ) - global::System.Collections.Generic
+        UsingDirective - (69:3,1 [27] ) - global::System.Linq
+        UsingDirective - (97:4,1 [38] ) - global::System.Threading.Tasks
+        UsingDirective - (136:5,1 [47] ) - global::Microsoft.AspNetCore.Components
+        ClassDeclaration -  - public partial - TestComponent - global::Microsoft.AspNetCore.Components.ComponentBase - 
+            MethodDeclaration -  - protected override - void - BuildRenderTree
+                Component - (0:0,0 [46] x:\dir\subdir\Test\TestComponent.cshtml) - MyComponent
+                    ComponentAttribute - (26:0,26 [16] x:\dir\subdir\Test\TestComponent.cshtml) - PlaceHolder - Placeholder - AttributeStructure.DoubleQuotes
+                        CSharpExpression - (28:0,28 [13] x:\dir\subdir\Test\TestComponent.cshtml)
+                            LazyIntermediateToken - (28:0,28 [13] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - new MyClass()
diff --git a/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Multiple/TestComponent.mappings.txt b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Multiple/TestComponent.mappings.txt
new file mode 100644
index 00000000000..70756d5b4e6
--- /dev/null
+++ b/src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/ImplicitStringConversion_ParameterCasing_Multiple/TestComponent.mappings.txt
@@ -0,0 +1,10 @@
+Source Location: (13:0,13 [11] x:\dir\subdir\Test\TestComponent.cshtml)
+|PlaceHolder|
+Generated Location: (884:23,0 [11] )
+|Placeholder|
+
+Source Location: (28:0,28 [13] x:\dir\subdir\Test\TestComponent.cshtml)
+|new MyClass()|
+Generated Location: (1151:31,0 [13] )
+|new MyClass()|
+
diff --git a/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/CSharp/ComponentTagHelperDescriptorProvider.cs b/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/CSharp/ComponentTagHelperDescriptorProvider.cs
index 26e350f2aea..55c244c0500 100644
--- a/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/CSharp/ComponentTagHelperDescriptorProvider.cs
+++ b/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/CSharp/ComponentTagHelperDescriptorProvider.cs
@@ -207,6 +207,8 @@ private static void CreateProperty(TagHelperDescriptorBuilder builder, INamedTyp
                 pb.IsEditorRequired = property.GetAttributes().Any(
                     static a => a.AttributeClass.HasFullName("Microsoft.AspNetCore.Components.EditorRequiredAttribute"));
 
+                pb.CaseSensitive = false;
+
                 metadata.Add(PropertyName(property.Name));
                 metadata.Add(GloballyQualifiedTypeName(property.Type.ToDisplayString(GloballyQualifiedFullNameTypeDisplayFormat)));
 
diff --git a/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/Language/BoundAttributeDescriptorBuilder.cs b/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/Language/BoundAttributeDescriptorBuilder.cs
index 77c347e9808..071c20535fe 100644
--- a/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/Language/BoundAttributeDescriptorBuilder.cs
+++ b/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/Language/BoundAttributeDescriptorBuilder.cs
@@ -39,6 +39,7 @@ public sealed partial class BoundAttributeDescriptorBuilder : TagHelperObjectBui
     private string _kind;
     private DocumentationObject _documentationObject;
     private MetadataHolder _metadata;
+    private bool? _caseSensitive;
 
     private BoundAttributeDescriptorBuilder()
     {
@@ -76,7 +77,11 @@ public string? Documentation
     public bool TryGetMetadataValue(string key, [NotNullWhen(true)] out string? value)
         => _metadata.TryGetMetadataValue(key, out value);
 
-    internal bool CaseSensitive => _parent.CaseSensitive;
+    internal bool CaseSensitive
+    {
+        get => _caseSensitive ?? _parent.CaseSensitive;
+        set => _caseSensitive = value;
+    }
 
     private TagHelperObjectBuilderCollection<BoundAttributeParameterDescriptor, BoundAttributeParameterDescriptorBuilder> Parameters { get; }
         = new(BoundAttributeParameterDescriptorBuilder.Pool);
diff --git a/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/Language/BoundAttributeDescriptorBuilder_Pooling.cs b/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/Language/BoundAttributeDescriptorBuilder_Pooling.cs
index 24ca4757aa6..28d66b2ab4a 100644
--- a/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/Language/BoundAttributeDescriptorBuilder_Pooling.cs
+++ b/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/Language/BoundAttributeDescriptorBuilder_Pooling.cs
@@ -25,6 +25,7 @@ private protected override void Reset()
         _parent = null;
         _kind = null;
         _documentationObject = default;
+        _caseSensitive = null;
 
         Name = null;
         TypeName = null;
diff --git a/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/Language/Components/ComponentBindLoweringPass.cs b/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/Language/Components/ComponentBindLoweringPass.cs
index 5a13ea30750..5c67866a287 100644
--- a/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/Language/Components/ComponentBindLoweringPass.cs
+++ b/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/Language/Components/ComponentBindLoweringPass.cs
@@ -726,21 +726,27 @@ private bool TryComputeAttributeNames(
             expressionAttributeName = valueAttributeName + "Expression";
         }
 
-        foreach (var attribute in componentTagHelper.BoundAttributes)
+        for (int i = componentTagHelper.BoundAttributes.Length - 1, set = 0; i >= 0 && set != 3; i--)
         {
-            if (string.Equals(valueAttributeName, attribute.Name))
+            var attribute = componentTagHelper.BoundAttributes[i];
+            var comparison = attribute.GetComparison();
+
+            if (valueAttribute is null && string.Equals(valueAttributeName, attribute.Name, comparison))
             {
                 valueAttribute = attribute;
+                set++;
             }
 
-            if (string.Equals(changeAttributeName, attribute.Name))
+            if (changeAttribute is null && string.Equals(changeAttributeName, attribute.Name, comparison))
             {
                 changeAttribute = attribute;
+                set++;
             }
 
-            if (string.Equals(expressionAttributeName, attribute.Name))
+            if (expressionAttribute is null && string.Equals(expressionAttributeName, attribute.Name, comparison))
             {
                 expressionAttribute = attribute;
+                set++;
             }
         }
 
diff --git a/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/Language/TagHelperMatchingConventions.cs b/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/Language/TagHelperMatchingConventions.cs
index d0fc772becf..6ec4dfc6391 100644
--- a/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/Language/TagHelperMatchingConventions.cs
+++ b/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/Language/TagHelperMatchingConventions.cs
@@ -271,7 +271,7 @@ internal static bool SatisfiesRequiredAttribute(
         }
     }
 
-    private static StringComparison GetComparison(this BoundAttributeDescriptor descriptor)
+    internal static StringComparison GetComparison(this BoundAttributeDescriptor descriptor)
         => descriptor.CaseSensitive ? StringComparison.Ordinal : StringComparison.OrdinalIgnoreCase;
 
     private static StringComparison GetComparison(this BoundAttributeParameterDescriptor descriptor)
diff --git a/src/Compiler/test/Microsoft.NET.Sdk.Razor.SourceGenerators.Tests/RazorSourceGeneratorComponentTests.cs b/src/Compiler/test/Microsoft.NET.Sdk.Razor.SourceGenerators.Tests/RazorSourceGeneratorComponentTests.cs
index bc4e6e80a1e..03dfe7f65a8 100644
--- a/src/Compiler/test/Microsoft.NET.Sdk.Razor.SourceGenerators.Tests/RazorSourceGeneratorComponentTests.cs
+++ b/src/Compiler/test/Microsoft.NET.Sdk.Razor.SourceGenerators.Tests/RazorSourceGeneratorComponentTests.cs
@@ -897,4 +897,87 @@ public async Task UnrecognizedComponentName()
             Diagnostic("RZ10023").WithLocation(7, 18)); // Attribute '@rendermode' is only valid when used on a component.
         Assert.Single(result.GeneratedSources);
     }
+
+    [Theory, CombinatorialData, WorkItem("https://github.com/dotnet/aspnetcore/issues/48778")]
+    public async Task ImplicitStringConversion_ParameterCasing(
+        [CombinatorialValues("StringParameter", "stringParameter")] string paramName,
+        [CombinatorialValues("7.0", "8.0", "Latest")] string langVersion)
+    {
+        // Arrange
+        var project = CreateTestProject(new()
+        {
+            ["Views/Home/Index.cshtml"] = """
+                @(await Html.RenderComponentAsync<MyApp.Shared.Component1>(RenderMode.Static))
+                """,
+            ["Shared/Component1.razor"] = $$"""
+                @{ var c = new MyClass(); }
+                <MyComponent {{paramName}}="@c" />
+                """,
+            ["Shared/MyComponent.razor"] = """
+                MyComponent: @StringParameter
+                @code {
+                    [Parameter]
+                    public string StringParameter { get; set; } = "";
+                }
+                """,
+        }, new()
+        {
+            ["Shared/MyClass.cs"] = """
+                namespace MyApp.Shared;
+                public class MyClass
+                {
+                    public static implicit operator string(MyClass c) => "c converted to string";
+                }
+                """,
+        });
+        var compilation = await project.GetCompilationAsync();
+        var driver = await GetDriverAsync(project, options =>
+        {
+            options.TestGlobalOptions["build_property.RazorLangVersion"] = langVersion;
+        });
+
+        // Act
+        var result = RunGenerator(compilation!, ref driver, out compilation);
+
+        // Assert
+        Assert.Empty(result.Diagnostics);
+        await VerifyRazorPageMatchesBaselineAsync(compilation, "Views_Home_Index");
+    }
+
+    [Theory, CombinatorialData, WorkItem("https://github.com/dotnet/aspnetcore/issues/48778")]
+    public async Task ImplicitStringConversion_ParameterCasing_Bind(
+        [CombinatorialValues("StringParameter", "stringParameter")] string paramName,
+        [CombinatorialValues("7.0", "8.0", "Latest")] string langVersion)
+    {
+        // Arrange
+        var project = CreateTestProject(new()
+        {
+            ["Views/Home/Index.cshtml"] = """
+                @(await Html.RenderComponentAsync<MyApp.Shared.Component1>(RenderMode.Static))
+                """,
+            ["Shared/Component1.razor"] = $$"""
+                @{ var s = "abc"; }
+                <MyComponent {{paramName}}="@s" />
+                """,
+            ["Shared/MyComponent.razor"] = """
+                MyComponent: @StringParameter
+                @code {
+                    [Parameter] public string StringParameter { get; set; } = "";
+                    [Parameter] public EventCallback<string> StringParameterChanged { get; set; }
+                }
+                """,
+        });
+        var compilation = await project.GetCompilationAsync();
+        var driver = await GetDriverAsync(project, options =>
+        {
+            options.TestGlobalOptions["build_property.RazorLangVersion"] = langVersion;
+        });
+
+        // Act
+        var result = RunGenerator(compilation!, ref driver, out compilation);
+
+        // Assert
+        Assert.Empty(result.Diagnostics);
+        await VerifyRazorPageMatchesBaselineAsync(compilation, "Views_Home_Index");
+    }
 }
diff --git a/src/Compiler/test/Microsoft.NET.Sdk.Razor.SourceGenerators.Tests/TestFiles/RazorSourceGeneratorComponentTests/ImplicitStringConversion_ParameterCasing/Views_Home_Index.html b/src/Compiler/test/Microsoft.NET.Sdk.Razor.SourceGenerators.Tests/TestFiles/RazorSourceGeneratorComponentTests/ImplicitStringConversion_ParameterCasing/Views_Home_Index.html
new file mode 100644
index 00000000000..7fa12d70777
--- /dev/null
+++ b/src/Compiler/test/Microsoft.NET.Sdk.Razor.SourceGenerators.Tests/TestFiles/RazorSourceGeneratorComponentTests/ImplicitStringConversion_ParameterCasing/Views_Home_Index.html
@@ -0,0 +1 @@
+MyComponent: c converted to string
\ No newline at end of file
diff --git a/src/Compiler/test/Microsoft.NET.Sdk.Razor.SourceGenerators.Tests/TestFiles/RazorSourceGeneratorComponentTests/ImplicitStringConversion_ParameterCasing_Bind/Views_Home_Index.html b/src/Compiler/test/Microsoft.NET.Sdk.Razor.SourceGenerators.Tests/TestFiles/RazorSourceGeneratorComponentTests/ImplicitStringConversion_ParameterCasing_Bind/Views_Home_Index.html
new file mode 100644
index 00000000000..983712db036
--- /dev/null
+++ b/src/Compiler/test/Microsoft.NET.Sdk.Razor.SourceGenerators.Tests/TestFiles/RazorSourceGeneratorComponentTests/ImplicitStringConversion_ParameterCasing_Bind/Views_Home_Index.html
@@ -0,0 +1 @@
+MyComponent: abc
\ No newline at end of file
diff --git a/src/Shared/Microsoft.AspNetCore.Razor.Test.Common/Language/IntegrationTests/SourceMappingsSerializer.cs b/src/Shared/Microsoft.AspNetCore.Razor.Test.Common/Language/IntegrationTests/SourceMappingsSerializer.cs
index df77ac1f32a..b1b1fd6188e 100644
--- a/src/Shared/Microsoft.AspNetCore.Razor.Test.Common/Language/IntegrationTests/SourceMappingsSerializer.cs
+++ b/src/Shared/Microsoft.AspNetCore.Razor.Test.Common/Language/IntegrationTests/SourceMappingsSerializer.cs
@@ -26,7 +26,7 @@ internal static string Serialize(IRazorGeneratedDocument csharpDocument, RazorSo
             var generatedCode = GetCodeForSpan(sourceMapping.GeneratedSpan, csharpDocument.GeneratedCode);
             AppendMappingLocation(builder, sourceMapping.GeneratedSpan, generatedCode);
 
-            Assert.Equal(sourceCode, generatedCode);
+            Assert.Equal(sourceCode, generatedCode, ignoreCase: true);
             builder.AppendLine();
         }