Closed Issue: Use two AlwaysVisibleControls on page. [16818]

I use two AlwaysVisibleControls on page, One is in the page. another one is in the ModalPopup, So after page loading, the first AlwaysVisibleControl will display, but when i get the popup window comes up, all the AlwaysVisibleControls are disapear.
how to ensure every AlwaysVisibleControls can be display, Any ideas for me ?
Thank you & Best regards

totany
Comments: This ticket was filed for a pre-15.1 version of AJAX Control Toolkit. If this is still an issue in v15.1 or later, please create a new inquiry.