สอบถาม การตรวจจับการกดแป้นพิมพ์ใน Datagridview หน่อยคับ

Private Sub DGV1_EditingControlShowing(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewEditingControlShowingEventArgs) Handles DGV1.EditingControlShowing
        If Me.DGV1.CurrentCell.ColumnIndex = 0 And Not e.Control Is Nothing Then
            Dim td As TextBox = CType(e.Control, TextBox)
            AddHandler td.KeyDown, AddressOf  TextBox_KeyDown
           AddHandler tb.KeyPress, AddressOf TextBox_KeyPress
        End If
    End Sub