public ActionResult Edit(long id)
        {
            var dao     = new SlideDAO();
            var content = dao.GetByID(id);


            return(View(content));
        }
        public ActionResult ChiTiet(int ID)
        {
            var dao   = new SlideDAO();
            var model = dao.GetByID(ID);

            if (model.Status == true)
            {
                ViewBag.status       = "Đang sử dụng";
                ViewBag.status_class = "bg-green";
            }
            else
            {
                ViewBag.status       = "Khóa";
                ViewBag.status_class = "bg-red";
            }
            return(View(model));
        }