Private Sub DGV_Massen_CellEndEdit(ByVal sender As Object, ByVal e As _
  System.Windows.Forms.DataGridViewCellEventArgs) Handles DGV_Massen.CellEndEdit
        Debug.Print("DGV_Massen_CellEndEdit Zeile " & e.RowIndex & " Spalte " & _
        e.ColumnIndex & " Zeit: " & Now.ToString)
        If Not (String.IsNullOrEmpty(DGV_Massen.Item(e.ColumnIndex, _
        e.RowIndex).FormattedValue.ToString())) Then
            Debug.Print(DGV_Massen.Item(e.ColumnIndex, _
            e.RowIndex).FormattedValue.ToString)
           End If
    End Sub