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Sys is undefined

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FormDecorator
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Adam
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Adam asked on 20 Aug 2009, 01:42 PM
We have a page that uses the form decorator on it. For some reason, there are a few people who get the Sys is undefined error when they go to this page. The decorated textboxes do not appear and they are unable to login. What is odd is that we have no other documented issues of this problem from anyone except for a few incidences from one company. We've gotten the page source from them and it is identical to the page source that we get. It just appears that one of the javascript files isn't getting download. We are currently using Q3 2008 with all the service packs applied. We are also using the RadScriptManager and RadAjaxManager on the page. They get the error as soon as they browse to the page.

Any ideas?
Adam

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Georgi Tunev
Telerik team
answered on 21 Aug 2009, 11:33 AM
Hi Adam,

This is a generic error that means that for some reason the client files are not loaded in the browser. Try the following article - I hope it will be of help:
http://weblogs.asp.net/chrisri/archive/2007/02/02/demystifying-sys-is-undefined.aspx


All the best,
Georgi Tunev
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Norsten
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answered on 09 Nov 2009, 12:47 AM
Hello,

I am getting almost the same error as a previous poster here  -but with Q3 2009 (however it worked fine with Q2 2009).  -the login.aspx is the first form that gets loaded and its throws a "Sys is undefined" javascript error  -but despite this error, I am able to login and continue. All subsequent pages that use the FormDecorator control work fine, it just seems to be that first page (login.apsx).

Cheers. 

 

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Georgi Tunev
Telerik team
answered on 09 Nov 2009, 12:19 PM
Hello Norsten,

If you have tried the suggestions in the blog post and still experience problems, it will be best to open a support ticket and send us a sample project so we could investigate. If the problem is with our controls we will do our best to help.


Kind regards,
Georgi Tunev
the Telerik team

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CP
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answered on 03 Dec 2009, 08:56 AM
@Norsten:

Faced the same "problem" with login.aspx. Reason was ScriptResource.axd and further files where blocked due to unauthenticated access, so I had to add exceptions for telerik- & scriptresource-files in web.config.

Christian

  <location path="Telerik.Web.UI.WebResource.axd" allowOverride="true">  
    <system.web> 
      <authorization> 
        <allow users="*" /> 
      </authorization> 
    </system.web> 
  </location> 
  <location path="Telerik.Web.UI.ChartHttpHandler" allowOverride="true">  
    <system.web> 
      <authorization> 
        <allow users="*" /> 
      </authorization> 
    </system.web> 
  </location> 
  <location path="Telerik.Web.UI.SpellCheckHandler.axd" allowOverride="true">  
    <system.web> 
      <authorization> 
        <allow users="*" /> 
      </authorization> 
    </system.web> 
  </location> 
  <location path="Telerik.Web.UI.DialogHandler.aspx" allowOverride="true">  
    <system.web> 
      <authorization> 
        <allow users="*" /> 
      </authorization> 
    </system.web> 
  </location> 
  <location path="Telerik.RadUploadProgressHandler.aspx" allowOverride="true">  
    <system.web> 
      <authorization> 
        <allow users="*" /> 
      </authorization> 
    </system.web> 
  </location> 
  <location path="ScriptResource.axd" allowOverride="true">  
    <system.web> 
      <authorization> 
        <allow users="*" /> 
      </authorization> 
    </system.web> 
  </location> 
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Paul J
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answered on 13 Sep 2010, 04:57 PM
@CP. thanks for this. ran into the exact same problem. your solution fixed it. thanks.
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Georgi Tunev
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