group-summary
There are 3 repositories under group-summary topic.
DevExpress-Examples/winforms-grid-show-multiple-group-summaries-in-group-footer-cell
Display multiple group summaries within a group footer cell.
DevExpress-Examples/winforms-grid-hide-group-footer-for-specific-level
Hide the group footer for a specific group level in a Data Grid control.
DevExpress-Examples/wpf-data-grid-display-summary-in-group-footer
Display data summaries in group footers of the WPF Data Grid.