public ActionResult DeleteRetailOutlet(int?OutletId)
 {
     try
     {
         service.DeleteRetailOutlet(OutletId);
         viewModel.GetRetailOutletList = service.GetRetailOutletList();
         return(RedirectToAction("RetailOutletList", viewModel));
     }
     catch (Exception ex)
     {
         throw;
     }
 }