An attempt has been made to use a data extension that is either not registered for this report server or is not supported in this edition of reporting services.

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ASP.NET

SQL

.NET

SSRS

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I am trying to implement Custom Data Extension for the SSRS reports to get data from an assembly code as DataSet and display them.

I am able to fetch data and create DataSet in RDL report but on preview it is displaying the error like mentioned here:-
"An attempt has been made to use a data extension that is either not registered for this report server or is not supported in this edition of Reporting Services."

It seems like some mismatched version used. Let you know my configurations as follows:- Visual Studio 2013 with Data Tools 2014 SQL Server 2014 with MSDTBI tools and BI Services

Tried a lot but not getting any clue which all versions shall i use for VS and reporting services combination?

Any help would be of great help.

What I have tried:

I have tried this post:-
http://www.codeproject.com/Articles/22946/Implementing-a-Data-Processing-Extension

and able to create DataSet from new Custom Data Extension.