WF-64705 - Updated the README file

README.md

@@ -1,2 +1,53 @@
-# How to set CheckBox value based on the value change of another CheckBox column in winforms datagrid?
-This example illustrates how to set CheckBox value based on the value change of another CheckBox column in winforms datagrid
+# How to set checkbox value based on the value change on another checkbox column in WinForms DataGrid (SfDataGrid)
+
+## Change checkbox column value
+You can set the value for a check box in one check box column when enabling or disabling it in another check box column using the [SfDataGrid.CellCheckBoxClick](https://help.syncfusion.com/cr/windowsforms/Syncfusion.WinForms.DataGrid.SfDataGrid.html?_ga=2.182698278.1225195101.1667794112-766490130.1650530957&_gl=1*1b0r2rr*_ga*NzY2NDkwMTMwLjE2NTA1MzA5NTc.*_ga_WC4JKKPHH0*MTY2Nzk4NTI1Mi4yOTMuMS4xNjY3OTg2NzkyLjAuMC4w) and [SfDataGrid.CurrentCellActivating](https://help.syncfusion.com/cr/windowsforms/Syncfusion.WinForms.DataGrid.SfDataGrid.html?_ga=2.182698278.1225195101.1667794112-766490130.1650530957&_gl=1*6vbrpv*_ga*NzY2NDkwMTMwLjE2NTA1MzA5NTc.*_ga_WC4JKKPHH0*MTY2Nzk4NTI1Mi4yOTMuMS4xNjY3OTg2ODQ4LjAuMC4w) events.
+
+## C# 
+
+```C#
+this.sfDataGrid1.CellCheckBoxClick += sfDataGrid1_CellCheckBoxClick;
+this.sfDataGrid1.CurrentCellActivating += sfDataGrid1_CurrentCellActivating;
+
+void sfDataGrid1_CurrentCellActivating(object sender, CurrentCellActivatingEventArgs e)
+{
+    if (e.DataColumn.GridColumn.MappingName == "ClosedStatus")
+        e.Cancel = true;
+}
+
+void sfDataGrid1_CellCheckBoxClick(object sender, CellCheckBoxClickEventArgs e)
+{
+
+    if (e.Column.MappingName == "ClosedStatus")
+        e.Cancel = true;
+
+    if (e.Column.MappingName == "IsClosed")
+    {
+        (e.Record as OrderInfo).ClosedStatus = e.NewValue == CheckState.Checked;
+    }
+}
+```
+
+## VB
+
+```VB
+AddHandler Me.sfDataGrid1.CellCheckBoxClick, AddressOf sfDataGrid1_CellCheckBoxClick
+AddHandler Me.sfDataGrid1.CurrentCellActivating, AddressOf sfDataGrid1_CurrentCellActivating
+
+Private Sub sfDataGrid1_CurrentCellActivating(ByVal sender As Object, ByVal e As CurrentCellActivatingEventArgs)
+    If e.DataColumn.GridColumn.MappingName = "ClosedStatus" Then
+        e.Cancel = True
+    End If
+End Sub
+
+Private Sub sfDataGrid1_CellCheckBoxClick(ByVal sender As Object, ByVal e As CellCheckBoxClickEventArgs)
+
+    If e.Column.MappingName = "ClosedStatus" Then
+        e.Cancel = True
+    End If
+
+    If e.Column.MappingName = "IsClosed" Then
+        TryCast(e.Record, OrderInfo).ClosedStatus = e.NewValue = CheckState.Checked
+    End If
+End Sub
+```