public ActionResult Index()
        {
            UpdateKhacSanModel up = new UpdateKhacSanModel();
            var model             = up.getAllGioiThieu();

            return(View(model));
        }
        public ActionResult Index(GIOITHIEU model)
        {
            model.IDGIOITHIEU  = 1;
            model.TENGIOITHIEU = Request["txttieude"].ToString();
            model.MOTA         = Request["txtnoidung"].ToString();
            if (Request["txtulr"].ToString() != "")
            {
                model.URLIMAGE = Request["txtfile"].ToString();
            }
            else
            {
                model.URLIMAGE = "/Image/Gioithieu/";
            }
            var result = new UpdateKhacSanModel().updateGioiThieu(model.IDGIOITHIEU, model.TENGIOITHIEU, model.MOTA, model.URLIMAGE);

            return(RedirectToAction("Index", "KhachSan"));
        }