protected void btnChange_Click(object sender, EventArgs e)
 {
     int orderID = PageTools.GetSavedId("orderID", null);
     AgentOrderBiz biz = new AgentOrderBiz();
     if (biz.ChangeAgentTransfor(orderID, PageTools.ParseInt(seleAgent.SelectedValue)))
         Response.Redirect("OrderDetail.aspx");
     else
         lbMsg.Text = "修改Agent失敗,請檢查!";
 }