private void buttonUploadTrackingNumber_Click(object sender, EventArgs e)
        {
            if (ebayTrans == null || account == null)
            {
                return;
            }

            string sellerName = ebayTrans.SellerName;

            if (null == sellerName)
            {
                return;
            }

            string shippingCarrier        = textBoxCarrier.Text.Trim();
            string shipmentTrackingNumber = textBoxTrackingNumber.Text.Trim();

            if (shippingCarrier == "" || shipmentTrackingNumber == "")
            {
                MessageBox.Show("输入错误!", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }

            EbayTransactionBiz.UploadTrackingNumber(account, ebayTrans.ItemId, ebayTrans.EbayTransactionId,
                                                    shippingCarrier, shipmentTrackingNumber);
            MessageBox.Show("上传跟踪号成功!", "成功", MessageBoxButtons.OK, MessageBoxIcon.Information);

            EbayTransactionDAL.UpdateTransactionShippingTrackingNo(ebayTrans.TransactionId, shipmentTrackingNumber);
        }