Private Sub frmFillGrid_KeyDown(sender As Object, _
        e As System.Windows.Forms.KeyEventArgs) Handles Me.KeyDown
 
        If dgv.Focused Then
            Select Case e.KeyCode
                Case Is = Keys.Up, Keys.Down, Keys.Left, Keys.Right
                    e.SuppressKeyPress = True
                Case Is = Keys.Tab, Keys.Enter
                    e.SuppressKeyPress = True
            End Select
        End If
    End Sub