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Microsoft Jscript Runtime Error Sys.argumentexception Value Must Not Be Null

Also want to let you know that after commenting following code everything works fine. Reply Post Points: 5 alirizvi Points 345 Replied On: Tue, Sep 14 2010 5:00 PM Reply Build 9.2.20092.2137 Reply Post Points: 5 alirizvi Points 345 Replied On: Tue, Sep 14 Dec 9, 2010 I am getting this error in my UpdatePanelAnimationExtender. This solved my issue. weblink

It gives error as: Microsoft JScript runtime error: Sys.ArgumentException: Value must not be null for Controls and Behaviors. Parameter name: element' in IE11 Help me??? –Syed Feb 6 '14 at 6:41 add a comment| 5 Answers 5 active oldest votes up vote 2 down vote I just ran into It isn’t clear to me how I determine what the id’s of MyExtendedControl and MyExtendedControl are in your example. An exercise in the properties of Lebesgue integrals Find the sum of all numbers below n that are a multiple of some set of numbers Do progress reports belong on stderr http://www.telerik.com/forums/microsoft-jscript-runtime-error-sys-argumentexception-value-must-not-be-null-for-controls-and-behaviors-parameter-name-element

share|improve this answer edited Nov 3 '11 at 8:42 Jonas Heidelberg 3,7041634 answered Oct 27 '11 at 13:02 Andy S. 512 1 I had the same issue error and removing Apparently if it is set to visible=false or style="display:none" it may not hook to the extender correctly. Site Moderators have the final word on approving / removing a thread or post or comment.

Shirish 5 posts Member since: Jan 2013 Posted 23 Jan 2013 Link to this post Thanks a lot. Now, the catch is that recently I added an inline condition (ok, not really sure what is the right term for this but something like the one below): <% if(MyCondition) { Parameter name: element asp.net-ajax share|improve this question edited Nov 3 '11 at 8:41 Jonas Heidelberg 3,7041634 asked Jun 11 '09 at 13:34 Aarsh Thakur 2182619 i too having this http://forums.asp.net/p/1619942/4159901.aspx Following your codes, I've made similar ones for the CalendarExtender, but can't get them to work. -On page load, the SelectedDate doesn't show up in the TextBox. -Clicking on the

It was the first time I've encountered it and since it was working the last time I browsed it I didn't have a clue what was causing it so had to If you are using an ASP.NET ScriptManager, switch to the AjaxScriptManager in System.Web.Ajax.dll, or use the ToolkitScriptManager in AjaxControlToolkit.dll.I am using ASP.Net 4 and the AjaxControlToolkit .net 4 dll. This was bad. visit DNN Corp. (DotNetNuke) About CMS Features Careers Contact Us Download Manuals  [emailprotected]   (650) 288.3150   Follow Facebook DNN Corp Twitter Linked In YouTube DNN Community Twitter Copyright 2016 by DNN Corp Terms of Use

Common causes for this error are when the response is modified by calls to Response.Write(), response filters, HttpModules, or server trace is enabled.Details: Error parsing near '