Flex Data Collections Sorting (MXML) Sample Source Code:

Sorting.mxml

<?xml version="1.0" encoding="UTF-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" creationComplete="srv.send()"> <mx:ArrayCollection id="airportCollection"> <mx:source>{srv.lastResult.airports.location}</mx:source> <mx:sort> <mx:Sort> <mx:fields> <mx:Array> <mx:SortField name="abbreviation" descending="true" /> </mx:Array> </mx:fields> </mx:Sort> </mx:sort> </mx:ArrayCollection> <mx:HTTPService id="srv" url="../assets/airports.xml" result="airportCollection.refresh()" /> <mx:Label text="The items in this datagrid should be in descending order using the 'abbreviation' field." /> <mx:DataGrid id="dg" dataProvider="{airportCollection}" width="350" /> </mx:Application>

airports.xml

<?xml version="1.0" encoding="utf-8"?> <airports> <location> <abbreviation>IAH</abbreviation> <name>Houston</name> </location> <location> <abbreviation>BOS</abbreviation> <name>Boston</name> </location> <location> <abbreviation>MHT</abbreviation> <name>Houston</name> </location> <location> <abbreviation>JAX</abbreviation> <name>Jacksonville</name> </location> <location> <abbreviation>CVG</abbreviation> <name>Cincinatti</name> </location> <location> <abbreviation>ATL</abbreviation> <name>Atlanta</name> </location> <location> <abbreviation>CDG</abbreviation> <name>Paris</name> </location> <location> <abbreviation>JFK</abbreviation> <name>New York</name> </location> <location> <abbreviation>LAX</abbreviation> <name>Los Angeles</name> </location> <location> <abbreviation>HND</abbreviation> <name>Tokyo</name> </location> </airports>