public ActionResult ReceiveNewProduct(Product newProduct) { if (!ModelState.IsValid) { ModelState.AddModelError("", "hihi"); GetSuppliersListItem(newProduct); GetCategoriesListItem(newProduct); return(View(nameof(CreateProduct), newProduct)); } _productsRepo.InsertNewProduct(newProduct); TempData["IsCreateProductSuccessful"] = true; return(Redirect("CreateProduct")); }