public QUANLYKHACHSAN.BusinessObject.PhieuThuePhongInFo LayPhieuThue(String id)
        {
            DataTable          tbl    = data.LayPhieuDangKy(id);
            PhieuThuePhongInFo ph     = null;
            KhachHangControl   khctrl = new KhachHangControl();

            if (tbl.Rows.Count > 0)
            {
                ph             = new PhieuThuePhongInFo();
                ph.MaPhieuThue = Convert.ToString(tbl.Rows[0]["MaPhieuThue"]);
                ph.MaKhachHang = khctrl.LKH(Convert.ToString(tbl.Rows[0]["MaKhachHang"]));
                ChiTietPhieuThueControl ctrl = new ChiTietPhieuThueControl();
                ph.ChiTiet = ctrl.ChiTietPhieuThue(ph.MaPhieuThue);
            }
            return(ph);
        }