public ActionResult Delete(int id)
        {
            var pro = sanphamService.Get(new OSanPham {
                MaSanPham = id
            });
            bool isSach = (bool)pro.IsSach;

            sanphamService.Delete(new OSanPham {
                MaSanPham = id
            });
            return(RedirectToAction("Search", "QuanLySanPham", new { isSach = isSach }));
        }
        public ActionResult Delete(int id)
        {
            var result = new ReponseMessage();

            try
            {
                // TODO: Add delete logic here
                var kq = sanPhamService.Delete(id);
                if (kq == false)
                {
                    result.Message    = "Không tìm thấy loại phòng";
                    result.StatusCode = HttpStatusCode.NotFound;
                    return(Json(result));
                }
                result.StatusCode = HttpStatusCode.OK;
                return(Json(result));
            }
            catch (Exception ex)
            {
                result.Message    = "Có lỗi trong quá trình xử lý";
                result.StatusCode = HttpStatusCode.ExpectationFailed;
                return(Json(result));
            }
        }