//删除订单
        protected void Button12_Click(object sender, EventArgs e)
        {
            //历遍清单所有商品数量,查找库存
            DataTable Unew = cartProBll.GetCartProOrderID(Mid); //获得详细清单列表

            for (int s = 0; s < Unew.Rows.Count; s++)
            {
                int       Onum = DataConverter.CLng(Unew.Rows[s]["Pronum"]);
                int       Opid = DataConverter.CLng(Unew.Rows[s]["ProID"]);
                M_Product pdin = proBll.GetproductByid(Opid);//获得商品信息
                if (pdin.JisuanFs == 1)
                {
                    int pstock = pdin.Stock + Onum;//库存结果,返回的商品数量
                    proBll.ProUpStock(Opid, pstock);
                }
            }
            oll.Del(Mid);
            function.WriteSuccessMsg("删除成功", "OrderList.aspx");
        }