public ActionResult OnGetDelete(int?id)
        {
            if (id != null)
            {
                /*var data = (from patient in x
                 *          where patient.ID.Equals(id)
                 *          select patient).SingleOrDefault();*/

                PatientClient pc = new PatientClient();
                pc.Delete(id);
            }
            return(RedirectToPage("AllPatient"));
        }