public ActionResult Index(User objchk) { if (ModelState.IsValid) { using (StudentMngEntities1 db = new StudentMngEntities1()) { var obj = db.Users.Where(a => a.UserName.Equals(objchk.UserName) && a.Password.Equals(objchk.Password)).FirstOrDefault(); if (obj != null) { Session["userId"] = obj.ID.ToString(); Session["userName"] = obj.UserName.ToString(); return(RedirectToAction("Index", "Home")); } else { ModelState.AddModelError("", "The username or password incorrect"); } } } return(View(objchk)); }