Use the following application, here i have used open items casting the dataprovider to IHierarchicalCollectionView.
<?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"; layout="vertical" creationComplete="init()"> <mx:Script> <![CDATA[ import mx.collections.IHierarchicalCollectionView; private function init():void { gc.refresh(); adg.dataProvider = gc; IHierarchicalCollectionView(adg.dataProvider).openNodes = gc.getRoot (); } // counter to maintain the uid private var count:int = 0; private function grpObjFunc(value:String):Object { // we need to assign the same uid for same grouped Objects // use count or value + count return {uid:value + count++}; } ]]> </mx:Script> <!-- Source Collection --> <mx:ArrayCollection id="arr"> <mx:Object name="A" qty="5" cost="100" /> <mx:Object name="A" qty="10" cost="200" /> <mx:Object name="B" qty="4" cost="200" /> <mx:Object name="C" qty="3" cost="300" /> <mx:Object name="C" qty="5" cost="350" /> <mx:Object name="D" qty="2" cost="400" /> <mx:Object name="E" qty="1" cost="500" /> </mx:ArrayCollection> <!-- Grouping Collection taking source as the ArrayCollection defined above--> <mx:GroupingCollection id="gc" source="{arr}"> <mx:Grouping groupingObjectFunction="grpObjFunc" > <mx:fields> <mx:GroupingField id="gf" name="name" /> </mx:fields> </mx:Grouping> </mx:GroupingCollection> <!-- Array of Summaries, to be assigned when summaries are needed --> <mx:Array id="summ"> <mx:SummaryRow> <mx:fields> <mx:SummaryField dataField="cost" operation="SUM" /> </mx:fields> </mx:SummaryRow> </mx:Array> <mx:AdvancedDataGrid id="adg" dataProvider="{gc}" height="300"> <mx:columns> <mx:AdvancedDataGridColumn dataField="name" /> <mx:AdvancedDataGridColumn dataField="qty" /> <mx:AdvancedDataGridColumn dataField="cost" /> </mx:columns> </mx:AdvancedDataGrid> </mx:Application> Cheers Varun Rathore --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Flex India Community" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/flex_india?hl=en -~----------~----~----~----~------~----~------~--~---
