//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.DeleteByID(Mid);
        function.WriteSuccessMsg("删除成功", "OrderList.aspx");
    }