Top "Clientscriptmanager" questions

Error: Only one instance of a ScriptManager can be added to the page

I got this Error when I added ScriptManager on a "Site.Master" (Master Page) All child webForm of site.Master …

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asp.net webforms scriptmanager clientscriptmanager
Using ValidationGroup and Client-Side Validation with ASP.NET Custom Server Control

I am creating a custom server control to generate button elements with specific markup and JavaScript handlers for my Web …

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asp.net validation webforms custom-server-controls clientscriptmanager