Why some of WebResource.axd file for Telerik control does not load initially?

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Hi all,
I have some telerik controls on my page. When I run this page first time, some of WebResource.axd file does not load. It shows 404 Not Found Error. but when I refresh my page couple of times, the missing file comes and some other WebResource.axd shows 404 Not Found Error. I checked httpHandlers in web.config, and it is correctly written.
Since here I can not upload Screen Clips so For screen clips please visit this link:-
http://stackoverflow.com/questions/14848464/why-some-of-webresource-axd-file-for-telerik-control-does-not-load-initially[^]

Thanks in Advance.

Posted 12-Feb-13 22:22pm

Raje_

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_Amy · Answer 1 · 2013-04-08T19:53:00

This may happens due to the following:

Possible causes:
1. I think that you have to delete the files you want to replace just before you copy them. ASP.Net tries to pre-compile everything it is trying to serve. There is an issue if you just copy and replace, but delete and then copy seems to work.
2. The dlls are compiled in different TimeStamps(See this[^]).
3. Unlicensed dll(Get a licence for your ddl[^]).

--Amit