Not A Registered Extender Control

Posted by Ramsakthi under ASP.NET AJAX on 2/25/2014 | Points: 10 | Views : 2647 | Status : [Member] | Replies : 1
I have an AJAX Rating Control this's throwing an exception at any time the form is loaded in a callback. The exception reads: Extender control 'rtDisplay_RatingExtender' is not a registered extender control. Extender controls must be registered using RegisterExtenderControl() before calling RegisterScriptDescriptors(). Parameter name: extenderControl



Posted by: vishalneeraj-24503 on: 2/25/2014 [Member] [MVP] Platinum | Points: 25

Please register it at the top of aspx page as

<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>

Ramsakthi, if this helps please login to Mark As Answer. | Alert Moderator

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