You use Microsoft .NET Framework 4 to create a Windows Forms application. <br /> You have a DataGridView that is bound to a DataTable containing a column named ProductName.<br /> The ProductName column can contain any valid string, except "ProductX," "ProductY," "ProductZ." <br /> You need to ensure that only valid entries for ProductName are saved when users edit the DataGridView. <br /> Which DataGridView event should you use?()
A、 CellBeginEdit
B、 Invalidated
C、 Validated
D、 Validating