店铺活动报名--店铺活动列表查询初步

TEMUKJD/Extension/DataGridViewExtension.cs

@@ -51,7 +51,8 @@ namespace TemuKJD.Extension
 
         public static CheckBox AddHeaderCheckBox(this DataGridViewColumn column, HorizontalAlignment align = HorizontalAlignment.Center, int leftBorderOffset = 0, int rightBorderOffset = 0, Func<object, bool> getValue = null, Action<object, bool> setValue = null, bool isSetCheckedChangedEvent = true, CheckBox checkBox = null, bool isClearHeaderText = false)
         {
-            if (column.DataGridView == null) throw new ArgumentNullException("First you need to add the column to grid.");
+            if (column?.DataGridView == null) //throw new ArgumentNullException("First you need to add the column to grid.");
+                MessageBox.Show("DataGridView中没有对应的CheckBox列");
 
             // Creating checkbox without panel
             if (checkBox == null)