Reporting Services - Multi-value parameter query returning no results
问题 Using SSRS (SQL Server 2005) I've set up two reports. For ease of explanation, let's call them MAIN_REPORT and SUB_REPORT . MAIN_REPORT runs a query that returns a set of Areas, with multiple TagNames per area: AREA Tagname ---------- A1 T1 A1 T2 A2 T3 A3 T4 If you select one of the Area cells, it opens SUB_REPORT and passes a parameter to @ParentTagNames using Join(Parameters!ResultsOfSearch.Value,",") . ResultsOfSearch is equal to the Tagname column above (haven't yet figured out how to