private JsonResult _GetDiagnosisCodeval(string DiagonsisAreaId)
 {
     string userName = User.Identity.Name.ToString().Split('\\')[1];
     RepairType repairTypeObj = new RepairType();
     return Json(new SelectList(repairTypeObj.GetDiagnosisCode(DiagonsisAreaId, userName), "DiagonsisCodeId", "DiagonsisCodeName"), JsonRequestBehavior.AllowGet);
 }