public ActionResult Create([Bind(Include = "id,username,password,account")] user user)
        {
            if (ModelState.IsValid)
            {
                db.users.Add(user);
                db.SaveChanges();
                return(RedirectToAction("Index"));
            }

            return(View(user));
        }
        public ActionResult Create([Bind(Include = "id,uid,password,account")] user user) // Create를 눌렀을 때 user를 매개변수로 받음(user 모델클래스)
        {
            if (ModelState.IsValid)
            {
                user.password = GetEncrypt(user.password);

                db.users.Add(user);
                db.SaveChanges();
                return(RedirectToAction("Index"));
            }

            return(View(user));
        }