public ActionResult Edit(CasePictures casepictures, HttpPostedFileBase UpPicUrls) { if (ModelState.IsValid) { if (UpPicUrls != null) { if (UpPicUrls.ContentType.IndexOf("image", System.StringComparison.Ordinal) == -1) { ViewBag.Message = "檔案型態錯誤!"; return(View(casepictures)); } casepictures.UpPicUrl = Utility.SaveUpImage(UpPicUrls); Utility.GenerateThumbnailImage(casepictures.UpPicUrl, UpPicUrls.InputStream, Server.MapPath("~/upfiles/images"), "S", 127, 127); } System.Threading.Thread.Sleep(1000); //db.Entry(casepictures).State = EntityState.Modified; casepictures.Update(); //return RedirectToAction("Index"); } ViewBag.close = "true"; return(View(casepictures)); }