public ActionResult Index(MVCLogin.Models.Product productModel) { using (ShoppingEntities db = new ShoppingEntities()) { int xyx = Convert.ToInt32(Session["ProductId"]); var data = db.Proc_Product().ToList(); ViewBag.productDetails = data; //Product productDetails = db.Products.Where(c => c.ProductId == xyx).FirstOrDefault(); if (ViewBag.productDetails == null) { productModel.ErrorMessage = "No images"; return(RedirectToAction("Display", ViewBag.productDetails)); } else { return(RedirectToAction("Display", "Home")); } } }