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   [Expand]CalcPreviewTextEventArgs Class
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     GridOptionsCustomization Members
     GridOptionsCustomization Constructor
    [Collapse]GridOptionsCustomization Properties
      AllowColumnMoving Property
      AllowColumnResizing Property
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    [Expand]GridOptionsCustomization Methods
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  [Expand]DevExpress.XtraGrid.Views.Grid.ViewInfo
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 End-User Documentation

GridOptionsCustomization.AllowMergedGrouping Property

Gets or sets whether or not grouping by multiple columns at once is enabled.

Namespace:DevExpress.XtraGrid.Views.Grid
Assembly:DevExpress.XtraGrid.v17.1.dll

Expanded Syntax

Property value

Type: DefaultBoolean
A DefaultBoolean enumerator value that specifies whether or not grouping by multiple columns at once is enabled.
The default is DefaultBoolean.Default.

Expanded Remarks

If merged column grouping is enabled, end-users can hold the Ctrl key when dragging column headers into the group panel to stack multiple headers in a line. Data Grid groups its data by all stacked columns at once.

Important

In Server Mode, merged column grouping is available only if you utilize the DevExpress.Xpo.XPServerCollectionSource or DevExpress.Xpo.XPInstantFeedbackSource components as data sources. Also, you are required to enable the AllowMergedGrouping property manually.

If the AllowMergedGrouping property equals DefaultBoolean.Default, merged grouping is disabled if the GridOptionsView.ShowGroupPanelColumnsAsSingleRow property is enabled or the WindowsFormsSettings.DefaultSettingsCompatibilityMode property equals v16.

To apply merged column grouping in code, place GridMultiColumnSortInfo object(s) inside the ColumnView.SortInfo collection. The code below applies two grouping layers: merged grouping by "Ship Country", "Ship City" and "Ship Region" columns, followed by the tier two grouping by the "Customer ID" column.

Expanded See Also

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