public ActionResult SaveIllness(illness illness)
 {
     if (ModelState.IsValid)
     {
         if (Request.Form["_btnSubmit"] == "Save Info")
         {
             _illRepo.saveIllness(illness);
         }
         else if (Request.Form["_btnSubmit"] == "Delete Illness")
         {
             _illRepo.DeleteIllness(illness.IllnessId);
         }
     }
     return(RedirectToAction("IllnessView"));
 }