public JsonResult LayDanhSachLoTrinhTheoMaKhachHangTrongBangGia(String maKhachHang)
        {
            var model = BangGiaQueries.LayDanhSachLoTrinhTheoMaKhachHangTrongBangGia(maKhachHang);

            return(Json(model, JsonRequestBehavior.AllowGet));
        }