private void DataGrid2_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
        {
            try
            {
                OrderBookDetail detail = new OrderBookDetail();
                detail.cnnOrderSerialNo = decimal.Parse(txtOrderSerialNo.Text);
                detail.cnvcInvCode      = e.Item.Cells[3].Text;

                OperLog operLog = new OperLog();
                operLog.cnvcOperID   = oper.strLoginID;
                operLog.cnvcDeptID   = oper.strDeptID;
                operLog.cnvcOperType = "订单删除产品";

                OrderFacade order = new OrderFacade();
                order.DeleteDetail(detail, operLog);
                Popup("删除成功");
                BindDetail(txtOrderSerialNo.Text);
            }
            catch (Exception ex)
            {
                Popup(ex.Message);
            }
        }