public ActionResult EditStudent(StudentModel model) { if (ModelState.IsValid) { dalStudent.UpdateStudent(new Student() { Grad = model.Grad, BrIndexa = model.BrIndexa, Ime = model.Ime, Prezime = model.Prezime, ID = model.ID }); return(RedirectToAction("Index", "Student")); } return(RedirectToAction("EditStudent", "Student", new { ID = model.ID })); }