Migrating from visual studio 2008 to 2012

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Hello Everybody,
Recently I migrated my application developed in Visual Studio 2008 to Visual Studio 2012. I am using crystal reports in the application. For this, I have installed the supported version of SAP Crystal Reports 2013. Now, My application is running properly but whenever I generate reports it shows "Failed to load database information. Error in File temp_{GUID}.rpt". I don't understand if I am missing anything. I have visited all the related solutions in this community but none of them helped me. So, I am posting this question, if anyone can help me. My project is successfully migrated from 2008 to 2012.

What I have tried:

I have tried all the related links here. Some said to reopen the crystal reports files in the project and save it. It will automatically upgrade.

Posted 20-Mar-17 4:39am

Member 11349661

Updated 29-Mar-17 5:18am

OriginalGriff

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Member 11349661 · Answer 1 · 2017-03-29T05:18:00

Problem Solved. I guess it might help someone. Actually the problem is in the configuration which integrates the application with crystal reports(SAP). What I did is :

Added the <startup> code below code under the <configuration> element in your app.config file.

<startup useLegacyV2RuntimeActivationPolicy="true">

This one helped my application to run successfully.
useLegacyV2RuntimeActivationPolicy="true"