public ActionResult Index(int?id) { if (id == null) { return(new HttpStatusCodeResult(HttpStatusCode.BadRequest)); } var product = db.Products.Find(id); if (product == null) { return(HttpNotFound()); } else { ViewBag.Product = db.Products.Find(id); ViewBag.Image = productDetail.geAllImagesOfProduct(id).Take(4); ViewBag.Feedback = feedback.geAllFeedbackOfProduct(id); } return(View()); }