public ActionResult Index(Credential credent) { if (credent == null) { return(View(credent)); } if (credent.DoctorID == null || credent.DoctorID.Length == 0) { TempData["message"] = "Both UserId and Password are required"; return(View(credent)); } if (credent.Password == null || credent.Password.Length == 0) { TempData["message"] = "Both UserId and Password are required"; return(View(credent)); } bool resultOfAuthenticate = DoctorManager.AuthenticateDoctor(credent, Session); if (resultOfAuthenticate == true) { TempData["message"] = "Login Successful"; return(RedirectToAction("Index", "Home")); } else { TempData["message"] = "Invalid login credentials"; return(RedirectToAction("Index", "Home")); } }