| title | date | last_modified_at | tags | Author | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Using C# with Graph API - Part 1 - C# super basics |
2023-05-08 |
2023-05-08 |
|
Scott McAllister |
This post is one in a series about using Graph API with C#, It's broken down into the following parts
- Part 1: Getting started with C# and VScode (You Are Here)
- Part 2.1: Getting started with Authentication - Client credential flow
- Part 2.2: Getting started with Authentication - Interactive authentication
- Part 3: Types of Graph calls
- Part 4: User management
- Part 5: Applications
- Part 6: Interacting with devices
- Part 7: 429 Too Many Requests
Over the last 12 months, I've thrown myself into the deep end of learning C#, and part of that rabbit hole has been working with Microsoft's Graph API.
I see many examples of using PowerShell & Graph API, but C# doesn't get as much love, so I figured I'd share some of what I'd learned with you all. I will do my best to keep everything as high level as possible while ensuring everything is reproducible by you!
This series aims to provide a basic introduction and, hopefully, an understanding of C# and Graph API.
Before doing anything, we must create a project and install the C# extension.
I recommend keeping a location on your device that isn't synced to OneDrive just for your code because it should all be stored in GitHub anyway, right? I've created a folder called GraphAndCSharp, with a subfolder called ScotScottMcA, so let's open GraphAndCSharp in VScode and navigate to our subfolder.
{{< image src="/images/GraphAndCSharp/1NewFolder.png" caption="New Folder (image)" >}}
{{< image src="/images/GraphAndCSharp/2OpenFolder.png" caption="Open Folder (image)" >}}
{{< image src="/images/GraphAndCSharp/4CDFolder.png" caption="CD Folder (image)" >}}
The most important thing is the C# extension for VSCode; we can install this easily. Select the extensions icon on the left, search for C#, and it should be the first one in your list. Click, Install.
{{< image src="/images/GraphAndCSharp/3CSharpextension.png" caption="CSharp extension (image)" >}}
We can use dotnet templates to spin up everything we need for a new project quickly, so let's do that!
dotnet new console will give us all the prerequisites for a dotnet console application, e.g., our project file, target framework settings & debug path.
{{< image src="/images/GraphAndCSharp/5dotnetnewconsole.png" caption="dotnet new console (image)" >}}
To finish creating our project, we want to restart VSCode so that it detects the new project file. Once restarted, VSCode will prompt you to add missing build and debug assets to our project; select Yes.
{{< image src="/images/GraphAndCSharp/6restartvscode.png" caption="restart vscode (image)" >}}
We can now see all the files and folders of our new project, all created automatically for us. Let's focus primarily on Program.cs for now.
{{< image src="/images/GraphAndCSharp/7projectfolder.png" caption=" project folder (image)" >}}
In Program.cs, we'll see that the dotnet template has given us a super simple "Hello, World" app, which we can run by pressing F5 and view the output in our debug console.
{{< image src="/images/GraphAndCSharp/8Helloworld.png" caption="Hello world (image)" >}}
{{< image src="/images/GraphAndCSharp/8-1Helloworld.png" caption="Hello world (image)" >}}
In part 2.1 we will set up our project to query a Graph API endpoint. Click here for part 2
Thanks for reading :)
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