public ActionResult Login(UserAccount user) { using (BloodDonationDbContext db = new BloodDonationDbContext()) { var usr = db.aUserAccount.FirstOrDefault(u => u.Name == user.Name && u.Password == user.Password); if (usr != null) { Session["Id"] = usr.Id.ToString(); Session["Name"] = usr.Name.ToString(); return(RedirectToAction("LoginHome")); } else { ModelState.AddModelError("", "User name of password rong"); } } return(View()); }