FIX: The content of a group is displayed incorrectly when you change a parameter and then you click a toggle image in SQL Server 2005 Reporting Services
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Source: Knowledge Base
Product: Microsoft SQL Server 2005 Reporting Services
Notification Contents: New, All Modifications and Delete
FIX: The content of a group is displayed incorrectly when you change a parameter and then you click a toggle image in SQL Server 2005 Reporting Services
http://support.microsoft.com/kb/941792/en-US