Regrouping AdvancedDataGrid

      
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical">

    <mx:VBox width="400" height="300" creationComplete="init()">
    <mx:Script>
        
            import mx.collections.Grouping;
            import mx.collections.GroupingField;

            import mx.collections.GroupingCollection2;

            [Bindable]
            private var groupingColl:GroupingCollection2;

            private function init():void {
                groupingColl = new GroupingCollection2();

                groupingColl.source = [{city:"A", state:"C",region:"E"}, 
                                       {city:"B",state:"D", region:"S"}];
                var groupingInst:Grouping = new Grouping();
                groupingInst.fields = [new GroupingField("state")];
                groupingColl.grouping = groupingInst;
                groupingColl.refresh(false);

                // create Column1 Grouping()
                groupingInst = new Grouping();
                groupingInst.fields = [new GroupingField("region")];
                groupingColl.grouping = groupingInst;
                groupingColl.refresh(false);

            }
      
    </mx:Script>
    <mx:AdvancedDataGrid dataProvider="{groupingColl}">
        <mx:columns>
           <mx:AdvancedDataGridColumn dataField="city"/>
        </mx:columns>
    </mx:AdvancedDataGrid>
    </mx:VBox>
</mx:Application>

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22.	implements the AdvancedDataGrid control shown in the previous figure:
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Regrouping AdvancedDataGrid : AdvancedDataGrid « Grid « Flex

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