Column Grouping for Hierarchical Data

          

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<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
    xmlns:mx="library://ns.adobe.com/flex/mx" xmlns:s="library://ns.adobe.com/flex/spark">
    <fx:Script> 
         
        import mx.collections.ArrayCollection; 
        [Bindable] 
        private var dpHierarchy:ArrayCollection = new ArrayCollection([ 
        {Region:"Southwest", children: [ 
            {Region:"Arizona", children: [ 
                {Territory_Rep:"Barbara Jennings", Actual:38865, Estimate:40000}, 
                {Territory_Rep:"Dana Binn", Actual:29885, Estimate:30000}]}, 
                {Region:"Central California", children: [ 
                    {Territory_Rep:"Joe Smith", Actual:29134, Estimate:30000}]}, 
                    {Region:"Nevada", children: [ 
                        {Territory_Rep:"Bethany Pittman", Actual:52888, Estimate:45000}]}, 
                        {Region:"Northern California", children: [ 
                        {Territory_Rep:"Lauren Ipsum", Actual:38805, Estimate:40000}, 
                        {Territory_Rep:"T.R. Smith", Actual:55498, Estimate:40000}]}, 
                        {Region:"Southern California", children: [ 
                            {Territory_Rep:"Alice Treu", Actual:44985, Estimate:45000}, 
                            {Territory_Rep:"Jane Grove", Actual:44913, Estimate:45000}]} 
            ]} 
        ]);
      
    </fx:Script>
    <mx:AdvancedDataGrid id="myADG" width="100%"
        height="100%" defaultLeafIcon="{null}">
        <mx:dataProvider>
            <mx:HierarchicalData source="{dpHierarchy}" />
        </mx:dataProvider>
        <mx:groupedColumns>
            <mx:AdvancedDataGridColumn dataField="Region" />
            <mx:AdvancedDataGridColumn dataField="Territory" />
            <mx:AdvancedDataGridColumn dataField="Territory_Rep" headerText="Territory Rep" />
            <mx:AdvancedDataGridColumnGroup dataField="Revenues">
                <mx:AdvancedDataGridColumn dataField="Actual" />
                <mx:AdvancedDataGridColumn dataField="Estimate" />
            </mx:AdvancedDataGridColumnGroup>
        </mx:groupedColumns>
    </mx:AdvancedDataGrid>
</s:Application>

1.	AdvancedDataGridColumn for the GroupLabel field
2.	Add multiple groups to the control
3.	AdvancedDataGridColumn inside Columns
4.	Set default leaf icon to null to hide it
5.	Custom icons for the folder open and closed icons
6.	Use groupedColumns component to group columns together
7.	Create the column grouping
8.	Multiple column sort when the sortExpertMode property is set to true
9.	Add groups named Area and Revenues
10.	Regroup GroupCollection

Column Grouping for Hierarchical Data : AdvancedDataGridColumn « Grid « Flex

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