protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            if (((ThaoTac)Session["ThaoTac"] != ThaoTac.ChiXem) && ((ThaoTac)Session["ThaoTac"] != ThaoTac.KhongCo))
            {
                string id = grvThuaDatDeNghiHopThua.DataKeys[e.RowIndex].Value.ToString();

                bool success = false;

                if (Session["LoaiHoSo"] == "DuBi")
                {
                    success = don.XoaThuaDatDeNghiHopThuaTheoDon(id);
                }
                else if (Session["LoaiHoSo"] == "ChinhThuc")
                {
                    success = don.XoaThuaDatDeNghiHopThua(id);
                }

                if (success)
                {
                    LoadThongTin(Session["DangKyBienDong"].ToString());
                }
            }
        }