Update XSSFCellStyle.cs

Fix Issue nissl-lab#1025
devsikander · Mar 29, 2023 · 64e5cd6 · 64e5cd6
1 parent 632de39
commit 64e5cd6
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/ooxml/XSSF/UserModel/XSSFCellStyle.cs b/ooxml/XSSF/UserModel/XSSFCellStyle.cs
@@ -131,7 +131,7 @@ public void CloneStyleFrom(ICellStyle source)
                 {
                     // Nice and easy
                     _cellXf = src.GetCoreXf().Copy();
-                    _cellStyleXf = src.GetStyleXf().Copy();
+                    _cellStyleXf = src.GetStyleXf() != null ? src.GetStyleXf().Copy() : null;
                 }
                 else
                 {
@@ -161,7 +161,7 @@ public void CloneStyleFrom(ICellStyle source)
                         CT_Border border = CT_Border.Parse(src.GetCTBorder().ToString());
                         AddBorder(border);
 
-                        if (src._cellStyleXf.applyBorder)
+                        if (src._cellStyleXf != null && src._cellStyleXf.applyBorder)
                         {
                             _cellStyleXf.borderId = FindAddBorder(src.GetCTBorder());
                         }
@@ -1279,7 +1279,7 @@ private int FontId
                 {
                     return (int)_cellXf.fontId;
                 }
-                return (int)_cellStyleXf.fontId;
+                return (int) (_cellStyleXf != null ? _cellStyleXf.fontId : 0);
             }
         }