public ActionResult EditList(int id)
        {
            List <PromotionItemFileViewModel> model = PromotionRepo.GetIdFile(id);

            return(PartialView("_EditList", model));
        }
 //View Promotion Item File, untuk Approval
 public ActionResult ViewPromotionItemFile(int id)
 {
     return(PartialView("_ViewPromotionItemFile", PromotionRepo.GetIdFile(id)));
 }