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Problem with Report Viewer on a web server
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This is a migrated thread and some comments may be shown as answers.
Bradley Paul
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Bradley Paul asked on 09 Jun 2008, 02:45 PM
I have created a report using VS 2005 and have it running on my local computer using the Report Viewer.  I deployed the project to our development server with the 4 required DLL's in the bin folder and everything worked perfectly.  That deployment was then moved to our Testing web server but the report viewer is not working.  It doesn't display a report and all the icons are missing in the toolbar.  I checked and all the files including the 4 Telerik reporting DLL's were there.

How can I fix this problem.

I was going to submit a picture of what I see, but there isn't any way of doing that here.  This is a time sensitive issue, isn't there any way we can talk to a person?

Thanks

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Steve
Telerik team
answered on 09 Jun 2008, 04:25 PM
Hi Bradley Paul,

Thank you for contacting us. Here are our questions/suggestions:
  • what OS is the testing server you have problems with?
  • do you have the Telerik.ReportViewer properly registered in the web.config? Note that on IIS7 you need to have the registration applied in the <system.webServer> section:
    <system.webServer>
            <handlers>
                <add name="Telerik.ReportViewer.axd_*" path="Telerik.ReportViewer.axd" verb="*" type="Telerik.ReportViewer.WebForms.HttpHandler, Telerik.ReportViewer.WebForms, Version=2.5.8.519, Culture=neutral, PublicKeyToken=a9d7983dfcc261be" preCondition="integratedMode,runtimeVersionv2.0"/>
            </handlers>
            <validation validateIntegratedModeConfiguration="false"/>
        </system.webServer>
  • check the trust level you are running on. Telerik Reporting requires full trust level to operate properly.
  • verify that webresources are properly handled by your test server. You can easily test that with some http proxy (fiddler, http watch).
If still having problems please open your report and activate fiddler. In order to determine what the problem exactly is you have to check the server responses when loading the style sheets for the report viewer. To do so please use the information about the web sessions which you have to examine shown in the attached screenshot (Fiddler.png).

Kind regards,
Steve
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fca
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answered on 02 Mar 2009, 06:54 AM
I know this is an old thread but since there isn't any solution posted, so i decided to used back this thread. I am having the same problem here. Report Viewer works well at my localhost but once I deployed to our test server, the Report Viewer only able to display the next\previous arrow and the page number while the rest of the functions are not way to be found. 

  • what OS is the testing server you have problems with?

        Windows Server 2003 Standard Edition with SP2

  • do you have the Telerik.ReportViewer properly ...

        Yes.

  • check the trust level you are running on. Telerik Reporting requires full trust level to operate properly.

        I don't understand this part. Can you please clarify it?

  • verify that webresources are properly handled by your test server. You can easily test that with some http proxy (fiddler, http watch).

        Yes, I do see the Telerik.ReportViewer.axd .. being loaded.

Thanks.

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Hrisi
Telerik team
answered on 03 Mar 2009, 10:56 AM
Hello praetorion,

Thre is only one difference when you deploy web site on the production server - where is the location of the  needed assemblies. On the development machine Telerik.Reporting.dll, Telerik.Reporting.Processing.dll, Telerik.Reporting.Interfaces.dll and Telerik.ReportViewer.WebForms.dll are referenced from the GAC. On the production server you should place them in the bin folder.

About trust levels you can read more here and here.

Best wishes,
Hrisi
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Bradley Paul
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Steve
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fca
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Hrisi
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