c# - Opening modalpopextender inside a user control in web application -
i have 2 user controls in web application. both user controls have modalpopupextender. when adding scriptmanager both user controls gives error :
only 1 instance of scriptmanager can added page
hence provided scriptmanager 1 user control. here popup works fine. in other usercontrol not adding scriptmanager popup not work. how can solve issue?
use scriptmanager
on master page or container page.
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