Group and Sort Panel
This panel is active only when a report is bound to a data source. It enables you to manage the group and sort settings of a report.
Use this panel to create group or sort criteria for a report, change the priority in which these rules are applied and choose whether to display the corresponding group bands in a report.
The Sort Order menu enables you to specify the sorting order for each group (ascending or descending) or disable sorting altogether.
See the following article for details about grouping and sorting: Group and Sort the Report Data.