private void EditSikapDll_Click(object sender, RoutedEventArgs e)
        {
            DataRowView   rv            = (DataRowView)((Button)e.Source).DataContext;
            NilaiDanAbsen nilaiDanAbsen = new NilaiDanAbsen();

            nilaiDanAbsen.SetEdit(rv.Row[0].ToString(), rv.Row[1].ToString(), rv.Row[2].ToString(), rv.Row[13].ToString(), rv.Row[3].ToString(), rv.Row[6].ToString(), rv.Row[9].ToString());
            nilaiDanAbsen.Show();
            this.Close();
        }