private void ResetAgentID()
{
int orderID = PageTools.GetSavedId("orderID", null);
AdminOrderBiz biz = new AdminOrderBiz();
int agentID = biz.GetAgentID(orderID);
AgentOrderBiz abiz = new AgentOrderBiz();
bool isChangeable = abiz.IsAgentChangeable(orderID);
seleAgent.SelectedValue = agentID.ToString();
if (isChangeable)
{
btnChange.Enabled = true;
lbMsg.Text = "";
}
else
{
btnChange.Enabled = false;
lbMsg.Text = "不能修改Agent！請先撤銷此Order對應的收付賬單。";
}
}