private int UpdatePhongBan()
        {
            int kq = 0;
            if (grdDM_PhongBan.SelectedRows.Count != 0)
            {
                DataGridViewRow row = this.grdDM_PhongBan.SelectedRows[0];
                string MaPhongBan = row.Cells["MaPhongBan"].Value.ToString();

                frmDanhMucPhongBanChiTiet frmChiTiet = new frmDanhMucPhongBanChiTiet();
                frmChiTiet.MaPhongBan = MaPhongBan;
                frmChiTiet.ShowDialog();
                LoadGridView();
            }
            return kq;
        }
 private int Them()
 {
     int kq = 0;
     frmDanhMucPhongBanChiTiet frmChiTiet = new frmDanhMucPhongBanChiTiet();
     frmChiTiet.ShowDialog();
     LoadGridView();
     return kq;
 }