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GridView.CollapseGroupRow(Int32) Method

Collapses the specified group row.

Namespace: DevExpress.XtraGrid.Views.Grid

Assembly: DevExpress.XtraGrid.v23.2.dll

NuGet Packages: DevExpress.Win.Grid, DevExpress.Win.Navigation


public void CollapseGroupRow(
    int rowHandle


Name Type Description
rowHandle Int32

An integer value identifying the group row by its handle. If the specified handle points to a data row this method does nothing.


The CollapseGroupRow method raises the GridView.GroupRowCollapsing event. This event allows you to prevent the group row from being collapsed. If a row has been collapsed, the GridView.GroupRowCollapsed event is raised.

To collapse group rows recursively use the other overload of this method.

Please refer to the Working with Groups in Code topic for additional information.


Detail pattern Views do not contain data and they are never displayed within XtraGrid. So, the CollapseGroupRow member must not be invoked for these Views. The CollapseGroupRow member can only be used with Views that display real data within the Grid Control. Use the following methods to access these Views with which an end user interacts at runtime.

See Also