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A Strange ReportViewer Error

Posted by Ricibald on October 11th, 2013

When I visualize my report using SSIS I have the following error:

One or more data sources is missing credentials

After hours of investigation I’ve realized a very strange thing:

If you iterate the ReportViewer’s Controls property in the Init phase (OnInit, Page_Init) you get the error “One or more data sources is missing credentials

To fix it just skip the iteration of Controls property :-)

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