DataGridTextBoxColumn.EnterNullValue Method

Definition

Namespace:

System.Windows.Forms

Assembly:

System.Windows.Forms.dll

Enters a Value in the column.

protected internal override void EnterNullValue();

Examples

The following example tests a DataGridColumnStyle to determine its column type. If the column is a DataGridTextBoxColumn, and the DataColumn allows null values, then the NullText property is set and the EnterNullValue method invoked.

Public Class Form1: Inherits Form

Protected dataGrid1 As DataGrid


Private Sub SetNullText()
   Dim dgeCol As MyGridColumn
   ' Assumes a column named Status exists.
   dgeCol = CType(DataGrid1.TableStyles("Customers"). _
   GridColumnStyles("Status"), MyGridColumn)
   dgeCol.EnterNull
End Sub

End Class

Public Class MyGridColumn
Inherits DataGridTextBoxColumn
   Public Sub EnterNull()
      me.EnterNullValue
   End Sub
End Class

Remarks

Enters the NullText value into the cell.

See also

• Abort(Int32)
• Commit(CurrencyManager, Int32)
• Edit(CurrencyManager, Int32, Rectangle, Boolean, String, Boolean)
• NullText