private void outStockButton_Click(object sender, EventArgs e)
        {
            //打印标签
            if (OnlineLogic())
            {
                //向后台传入扫描商品信息
                for (var i = 0; i < productsDataGrid.RowCount; i++)
                {
                    ProductInfo product = new ProductInfo();
                    product.product_code   = productsDataGrid.Rows[i].Cells[0].Value.ToString();
                    product.scanned_no     = productsDataGrid.Rows[i].Cells[7].Value.ToString();
                    product.product_amount = productsDataGrid.Rows[i].Cells[6].Value.ToString();
                    productsInfo_list.Add(product);
                }
                //出库操作
                Boolean flag = WhApi.StockOut(order_no, Newtonsoft.Json.JsonConvert.SerializeObject(productsInfo_list), Newtonsoft.Json.JsonConvert.SerializeObject(product_regno_list));

                if (flag)
                {
                    MessageBox.Show("出库成功。");
                    //初始化
                    InitControl();
                }
                else
                {
                    //初始化
                    InitControl();
                }
            }
            ;
        }