public ActionResult Update(Phone phone) { PhoneDAO dao = new PhoneDAO(); PhotoPhoneDAO daoPhoto = new PhotoPhoneDAO(); dao.Update(phone); if (Request.Files[0].ContentLength > 0) { daoPhoto.DeletePhotoOfPhone(phone.phoneID); for (int i = 0; i < Request.Files.Count; i++) { HttpPostedFileBase f = Request.Files[i]; if (f.ContentLength > 0) { daoPhoto.Insert(new PhotoPhone() { urlPhoto = "/Image/" + f.FileName, phoneID = phone.phoneID }); f.SaveAs(Server.MapPath("~/Image/") + f.FileName); } } } return(RedirectToAction("Index", "ManageMobile")); }