There is a problem in Visual Studio 2010 Report Viewer and Datasets. Problem: If you create a VS report by manually or by using the wizard, and configure a dataset based on a stored procedure, then later modify the stored…
Monthly Archives: January 2012
Report Viewer Error: Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints
Got this error when running a report in report viewer. The query ran fine in SQL Server. The report would also show when refreshed. I found the answer was to open the dataset the report was based on, find the…
Posted in Technical Problems