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Why is My SSRS Reports Still Showing the Old Data, even after the Stored Procedure has been Updated?

One of my clients who has a suite of SQL server reporting services 2016 reports, based on a number of stored procedures.

They had updated some of these stored procedures, but when the reports was run, they still returned the original (old) data.


SQL server reporting services, has a slight anomaly, that Visual Studio caches the report underlying data, as a way of saving time and resources.

Part of writing and designing and testing reports, is that a report will be run over and over again, sometime with just small changes.

To avoid long execution times from re-querying the same query, Visual Studio creates a data file, with the extension .data.

Unfortunately, when the stored procedure is updated, the *.data file is not.

To get the report to look at the updated stored procedure the *.data file has to be deleted from the project file in Windows Explorer.

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