public ActionResult Login(LoginModel model) { if (ModelState.IsValid) { var dao = new AdminFunction(); var result = dao.Login(model.UserName, model.Password); if (result != 0) { var admin = dao.GetById(model.UserName); var adminSession = new AdminLogin(); adminSession.UserName = admin.UserName; adminSession.id = admin.id; Session.Add(CommonConstant.ADMIN_SESSION, adminSession); CommonConstant.ADMINNAME = adminSession; return(Redirect("/ADMIN")); } else { ModelState.AddModelError("", "Tài khoản không tồn tại"); } } return(View(model)); }