public ActionResult Register(MasterViewModel input)
        {
            MasterViewModel cvm = new MasterViewModel();

            cvm.master_account  = input.master_account;
            cvm.master_password = input.master_password;
            MasterService service = new MasterService();

            if (service.Create(cvm))
            {
                TempData["message"] = "註冊成功";
                return(RedirectToAction("Index", "dashboardIndex"));
            }
            else
            {
                TempData["message"] = "註冊失敗";
                return(RedirectToAction("Index", "dashboardIndex"));
            }
        }