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RadChart "Error loading RadChart image."

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Chart (Obsolete)
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Jeff Wardwell
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Jeff Wardwell asked on 24 Oct 2008, 08:47 PM

Problem
I cannot figure out how to prevent the "Error loading RadChart image." from appearing on the production version of my site.  I am trying to add the chart to a page within a sub-directory of a folder that uses forms authentication to deny anonymous users.

Right now, I've given the IIS and NETWORK SERVICE users Full control in the permission dialogue.  I've removed any authentication.  I've - of course - added the httpHandler.  I've even tried added the location code desciribed in one of the links below.

What I've Tried
  • UseSession="false" TempImagesFolder="Temp"  ...this enabled images to be created, but they would not show up on the actual site --> same error message
  • UseSession="true" ...error
  • <no special settings>  ...error

System Info
Windows Server 2008 (not a server farm)
.NET 3.5
Telerik.Web.UI.dll v2008.02.0723.35
Telerik.Charting.dll v2.0.3.0

Threads whose suggestions I've tried
http://www.telerik.com/community/forums/thread/b311D-bahbmd.aspx
http://www.telerik.com/community/forums/thread/b311D-bdmmbm.aspx
http://www.telerik.com/community/forums/thread/b311D-bkataa.aspx http://www.telerik.com/community/forums/thread/b311D-bkkgmb.aspx
http://www.telerik.com/community/forums/thread/b311D-batmhc.aspx





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Giuseppe
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answered on 27 Oct 2008, 08:05 AM
Hello Jeff Wardwell,

We believe the information in this forum post here should solve your configuration problem.

Hope this helps.


Regards,
Manuel
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Check out Telerik Trainer, the state of the art learning tool for Telerik products.
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Alessandro
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answered on 27 Oct 2008, 10:59 AM
Hi, i've got the same problem of the user who open this post. I've done the same operation you wrote but my chart does not works.
When my web-application try to open chart, appears a messagebox who ask if i want to view the stack trace. I'd like to view page where stack trace is show, but i need to know the name of the page will be opened, because i must set correctly my web.config. Can you write me the name of the page?

Tanks

I SOLVED THE PROBLEM - tanks
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Jeff Wardwell
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answered on 28 Oct 2008, 05:48 PM
Manuel -

Thanks for you help.  The explanation at the above link did fix my problem.

Just a note to anyone who might make the same thoughtless mistake I did.  You can't simply copy the handler from the <system.web> section to the <system.webServer> section.  There are some syntax differences.

And - depending on the editor you're working in, you may have to replace smart quotes from the post with plain old ascii quotes. I made this change live (eek!) and had a 500 error page show while I fixed this.

Thanks again!
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Toyin
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answered on 21 Sep 2013, 07:04 AM
I have the same problem, when I set UseSession="false", it works, however when I set UseSession="true" with the SessionState mode set to SQL Server it fails. I store all my state info in SQL Server, so that works.
Has anyone being able to get the UseSession="true" to work with the SessionState mode set to SQL Server?
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Jeff Wardwell
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Giuseppe
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Alessandro
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Jeff Wardwell
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Toyin
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