Microsofts SQL Server Reporting Services (SSRS) allows creation of reports that contain Tablix controls where data is grouped by fields or expressions in row and/or column groups. Use the ssrs-grouping tag for questions about how to use group properties to change report behaviour.
SSRS reports can contain tablix controls (lists, tables, and matrices) which can group data in row and/or column groups. Use this tag for questions specific to this grouping behavior.