public ActionResult AddStudent(string holy_name, string first_name, string last_name, string email , string phone_number, string gender, string useradress, DateTime?birthday, DateTime?baptised_date, int?parishid, string father_name, string father_phone_number, string mother_name, string mother_phone_number , string parish, string diocese, string provice, int?class_id) { if (parishid == null) { StudentActions.addStudent(holy_name, first_name, last_name, email , phone_number, gender, useradress, birthday, baptised_date, null, father_name, father_phone_number, mother_name , mother_phone_number, parish, diocese, provice, class_id); } else { StudentActions.addStudent(holy_name, first_name, last_name, email , phone_number, gender, useradress, birthday, baptised_date, (int)parishid, father_name, father_phone_number , mother_name, mother_phone_number, parish, diocese, provice, class_id); } return(RedirectToAction("ListStudent")); }