SSRS report not loading on report viewer control in ASP.NET

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SSRS-2008

Hi,

I have many SSRS report deployed in Developer environment. One of them is called master report is not able to get into ReportViewer control in ASP.NET. I added ScriptManager. This report can be viewed directly without any error but why not on ReportViewer? All other report working fine.

Error I am getting is "JavaScript Runtime error: JavaScript runtime error: Sys.WebForms.PageRequestManagerServerErrorException: An unknown error occurred while processing the request on the server. The status code returned from the server was: 500"

When I verified Log file in server, I found below error logged.

ERROR: Throwing Microsoft.ReportingServices.Diagnostics.Utilities.ServerConfigurationErrorException: Report server extension SSIS does not implement IExtension interface., Microsoft.ReportingServices.Diagnostics.Utilities.ServerConfigurationErrorException: The report server has encountered a configuration error. ;
extensionfactory!ReportServer_0-11!180c!02/18/2015-01:16:11:: e ERROR: Exception caught instantiating SSIS report server extension: Microsoft.ReportingServices.Diagnostics.Utilities.ServerConfigurationErrorException: The report server has encountered a configuration error.
at Microsoft.ReportingServices.Diagnostics.ExtensionClassFactory.CreateAndInitializeExtensionInstance(Extension extConfig).

I browsed in google but did not get any satisfactory solution.

Kindly help

Posted 18-Feb-15 20:43pm

Shridhar Gowda

Updated 19-Feb-15 2:00am

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Shridhar Gowda · Accepted Answer · 2015-02-23T03:06:00

Error was, One of the input parameter was sending XML data to Report. Since any input in tag(<something>) is considered as potentially dangerous, It was throwing error. I need to disable this securuty check in aspx page's Register tag. and version change in web.configue :)

VB

https://msdn.microsoft.com/en-us/library/vstudio/hh882339(v=vs.100).aspx,
http://www.asp.net/whitepapers/aspnet4/breaking-changes