How to show summary row when the groups are collapsed in the WinForms GridGroupingControl?

Group summary rows

The summary row is displayed only when the group caption row is expanded. Otherwise, it is hidden. To show the summary row for the collapsed child groups in WinForms GridGroupingControl, use the ShowGroupSummaryWhenCollapsed property.

//Shows the Group Summary when Group is Collapsed.
this.gridGroupingControl1.ChildGroupOptions.ShowGroupSummaryWhenCollapsed = true;

'Shows the Group Summary when Group is Collapsed.
Me.gridGroupingControl1.ChildGroupOptions.ShowGroupSummaryWhenCollapsed = True

The following screenshot displays the summary Rows when the group collapses.

Show the group summary rows

Samples:

VB: ShowSummaryRows-VB-1420775256.zip

Reference Link: Summary in Caption

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How to show summary row when the groups are collapsed in the WinForms GridGroupingControl?

Group summary rows

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