protected void Page_Load(object sender, EventArgs e) { int goodsId = Request.QueryString["goodsId"] != null?Int32.Parse(Request.QueryString["goodsId"]) : 0; if (goodsId != 0) { GoodsBll gb = new GoodsBll(); int rows = gb.DeleteGoods(goodsId); if (rows > 0) { Msg.Text = "删除成功!"; } else { Msg.Text = "删除失败!存在与之相关联的商品销售或进货记录。"; } } }