// GET: Cau3
        public ActionResult Index()
        {
            ViewBag.data = "chuyen du lieu thanh cong";
            Cau1_Account cau1 = new Cau1_Account();

            cau1.user = "******";
            cau1.pass = "******";
            return(View(cau1));
        }
        public ActionResult VDModelBlind(Cau1_Account account) // paramenter
        {
            string name = account.user;
            string pass = account.pass;

            if (name.Equals("admin") && pass.Equals("123"))
            {
                return(View("Index"));
            }
            else
            {
                return(View());
            }
        }