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Data Grid - Row grouping recipes

Advanced grid customization recipes.

Toggling groups on row click

In the demo below, you can toggle the group by clicking anywhere on the grouping row:

Pinning a grouped column

Use GRID_ROW_GROUPING_SINGLE_GROUPING_FIELD to pin a grouped column. In the demo below, the Company column is pinned:

Sorting row groups by the number of child rows

By default, the row grouping column uses sortComparator of the grouping column for sorting.

To sort the row groups by the number of child rows, you can override it using groupingColDef.sortComparator:

By default, the row count in the footer is the number of top level rows that are visible after filtering.

In the demo below, a CustomFooterRowCount component is added to the footerRowCount slot. This component uses the gridFilteredDescendantRowCountSelector to get the number of child rows and display it alongside the number of groups.