public ActionResult Registration(AdminRegistration admin) { if (ModelState.IsValid) { var user = AgroExpressDBAccess.IsUserExist(admin.UserName); if (user != null) { ModelState.AddModelError("UserName", "User name already exist"); return(View(admin)); } if (AgroExpressDBAccess.AddAdmin(admin)) { ViewBag.success = "Registration Successsfull"; ModelState.Clear(); AdminRegistration registration = new AdminRegistration(); return(View(registration)); } } return(View(admin)); }