Net datagridview cellvalidating
It not only supports data binding but also provides frequently needed column types, such as combo box and button.
The Data Grid View event model is really extensive and one can take control of validation and entry by using many of these events.
You do this by using the Formatted Value property of the Data Grid View Cell Validating Event Args parameter.Steps: Private Sub Data Grid View1_Cell Validating(By Val sender As System. Is In Edit Mode Then Dim c As Control = Data Grid View1. Hovering the mouse pointer on the icon displays the Error Text that you set earlier.The Data Grid View control of Windows Forms is a versatile control that can help you create professional-looking data entry forms.