public ActionResult Edit(BannerModel model, int id) { if (ModelState.IsValid) { string picture = null; // file if (Request.Files != null && Request.Files.Count > 0) { picture = FileHelper.SaveBannerImage(Request.Files[0]); model.Picture = picture; } var banner = jlService.GetBanner(id); banner.BackgroundColor = model.BackgroundColor; banner.Desctiption = model.Desctiption; banner.Picture = model.Picture; banner.SortIndex = model.SortIndex; banner.Status = model.Status; banner.Title = model.Title; jlService.UpdateBanner(banner); ViewData.Add("ResultObject", ResultObject.Succeed()); } return(View(model)); }