public ActionResult DeleteGoods(ViewModelGoods goods) { var deleteTip = goodsService.DeleteGoods(goods.GoodsId); if (!(deleteTip == null)) { TempData["TipDelete"] = deleteTip; } else { TempData["TipDelete"] = "该商品已经产生了订单,不能删除!"; } return(RedirectToAction("GoodsList")); }