public ActionResult Create(int role)
        {
            ViewBag.key     = "Thêm mới";
            ViewBag.Element = RoleKey.GetRoleText(role);

            ViewBag.isEdit  = false;
            ViewBag.Role    = role;
            ViewBag.Genders = new SelectList(GenderKey.GetDic(), "Key", "Value");
            ViewBag.Roles   = new SelectList(RoleKey.GetDic(), "Key", "Value");

            return(View());
        }
        public ActionResult Update(string username, int role)
        {
            ViewBag.isEdit = true;
            ViewBag.Role   = role;
            ViewBag.key    = "Cập nhật";

            ViewBag.Element = RoleKey.GetRoleText(role);
            ViewBag.Genders = new SelectList(GenderKey.GetDic(), "Key", "Value");
            ViewBag.Roles   = new SelectList(RoleKey.GetDic(), "Key", "Value");

            using (var workScope = new UnitOfWork(new ELearningDBContext()))
            {
                var acc = workScope.Account.FirstOrDefault(x => x.Username == username);
                acc.Password = "";
                return(View("Create", acc));
            }
        }