call javascript function after page load complete

Inside the Server Side Page Load event handler, the RegisterStartupScript method of ClientScript class is used to register a call to the JavaScript function which will open (show) Bootstrap Modal Popup Window on … Discover more articles. The onload event can also be used to deal with cookies (see "More Examples" below). Required fields are marked *. She likes to share her technical expertise in and How is is possible to call a client side javascript method after a specific update panel has been loaded?Sys.WebForms.PageRequestManager.getInstance().add_endRequest(EndRequestHandler) does not work for me because this will fire after ANY update panel finishes loading, and I can find no client side way to find which is the oneScriptManager.GetCurrent(Page… Unlike the images, the web browser starts downloading JavaScript files only after the src property has been assigned and the