private void BtnCapNhapVoucher_Deadlock_Click(object sender, RoutedEventArgs e) { int maVoucher = Convert.ToInt32((dtgKhuyenMai.SelectedItem as DataRowView).Row[0]); string GiaTri = Convert.ToString((dtgKhuyenMai.SelectedItem as DataRowView).Row[5]); BaseDAO.CapNhatVoucher_Deadlock(maVoucher, GiaTri); ViewUtil.loadView(ViewEnum.ChuongTrinhKhuyenMai); }