public ActionResult Change(string opatient_ID, string patient_ID, string patient_name, int patient_age, string patient_sex, string patient_ward)
        {
            PatientService pa  = new PatientService();
            var            res = pa.Change(opatient_ID, patient_ID, patient_name, patient_age, patient_sex, patient_ward);

            //return RedirectToAction(nameof(Index));
            return(Json(res));
        }