Configuration Error while running my website

[Sunny]

Hello,

When i try to run my asp.net website it runs perfectly well on local machine.
But,
       when i publish & upload the website,and try to run the site, I get the following Error :

/************************************************************************************************************************************************************************/
Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.

Parser Error Message: Could not load file or assembly 'Telerik.ReportViewer.WebForms, Version=2.9.9.202, Culture=neutral, PublicKeyToken=a9d7983dfcc261be' or one of its dependencies. The system cannot find the file specified.

Source Error:

Line 76: <httpHandlers> Line 77: <remove path="*.asmx" verb="*"/> Line 78: <add verb="*" path="Telerik.ReportViewer.axd" type="Telerik.ReportViewer.WebForms.HttpHandler, Telerik.ReportViewer.WebForms, Version=2.9.9.202, Culture=neutral, PublicKeyToken=a9d7983dfcc261be"/> Line 79: <add path="*.asmx" verb="*" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" validate="false"/> Line 80: <add path="*_AppService.axd" verb="*" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" validate="false"/>

/************************************************************************************************************************************************************************/

Please help me to solve the problem.

Thanks,
Jaspreet.

[Steve]

Hello jaspreet,

Please review the TroubleShooting help article from our documentation that elaborates on the error.

All the best,
Steve
the Telerik team

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[jtby]

dead link - where is the article?

[Steve]

Hi jtby,

I've updated the link so that it shows the correct help article. The answer to this error is:

During the installation of Telerik Reporting on dev machine, Telerik assemblies are added to GAC. When deploying a Web App/Site project using Visual Studio's built-in functionality, the assemblies from the GAC are not copied automatically, so they need to be copied manually from the installation’s Telerik Reporting /bin folder to the bin folder of your application. Full details are available in the Deploying Telerik Reporting in production KB article.

All the best,
Steve
the Telerik team

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[rozer]

i have same error in asp 4.0 vs2010.. can u please help

[Elliott]

Sunny, rozer

I get this error when I publish a web site with a version of Telerik newer than the version up on the site, specifically, referred to in the production web.config
I've been using Telerik controls for 3 years now - and often several months go by (and more than one release) between updates to application code
when I publish and post the most recent copy it has the latest (and hopefully greatest) version of Reporting, etc.
the web config points to the version of the previous update
I keep on having to remember to pull down the production web config - and carefully update the Telerik references with hard coded versions to reflect those in my development web config
of course, I also update the dll's in the bin