public ActionResult AddStudent(StudentModel model)
        {
            if (ModelState.IsValid)
            {
                dalStudent.AddStudent(new Student()
                {
                    BrIndexa = model.BrIndexa,
                    Grad     = model.Grad,
                    Ime      = model.Ime,
                    Prezime  = model.Prezime
                });

                return(RedirectToAction("Index", "Student"));
            }
            return(View());
        }