SQL Server Reporting - Checking to see if there are records in dat

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From: Deb (Deb_at_discussions.microsoft.com)
Date: 11/01/04 

Date: Mon, 1 Nov 2004 07:03:01 -0800

When there are no records in the dataset for the values I have entered in the
report parameters, how do I check to see that there is no data so that I may
print an informational message like "No data found for selection criteria"?