[FLEX] DataGrid column 선택방법

<?xml version="1.0" encoding="utf-8"?>

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

 <mx:Script>

  <![CDATA[

   import mx.events.ListEvent;

   import mx.collections.ArrayCollection;

   import mx.controls.Alert;

   

   [Bindable] private var flatData:ArrayCollection = new ArrayCollection([

    {no:"1", comments:"규칙1", nicname:"eth0", sipname:"sip01", dipname:"dip01", svcname:"ssh", svccode:"31", protoname:"tcp"},

    {no:"1", comments:"규칙1", nicname:"eth1", sipname:"sip02", dipname:"dip02", svcname:"telnet", svccode:"32", protoname:""},     

    {no:"1", comments:"규칙1", nicname:"eth2", sipname:"", dipname:"dip03", svcname:"ftp", svccode:"33", protoname:""},     

    {no:"1", comments:"규칙1", nicname:"eth3", sipname:"", dipname:"dip04", svcname:"", svccode:"", protoname:""}    

   ]);

   

   public function sel_data(col:String, row:uint):String{ 

       return flatData[row][col]; 

   } 

   

   public function itemClick(event:ListEvent):void{

    if(event.rowIndex >= 0){   

     Alert.show(sel_data(event.currentTarget.columns[event.columnIndex].dataField, event.currentTarget.selectedIndex));

    }

   }   

  ]]>

 </mx:Script>

 <mx:Panel x="10" y="10" width="1031" height="648" layout="absolute">

  <mx:DataGrid x="10" y="10" width="435" height="259" itemClick="itemClick(event)" dataProvider="{flatData}">

   <mx:columns>

    <mx:DataGridColumn headerText="Column 1" dataField="no"/>

    <mx:DataGridColumn headerText="Column 2" dataField="comments"/>

    <mx:DataGridColumn headerText="Column 3" dataField="nicname"/>

    <mx:DataGridColumn headerText="Column 3" dataField="sipname"/>

    <mx:DataGridColumn headerText="Column 3" dataField="dipname"/>

    <mx:DataGridColumn headerText="Column 3" dataField="svcname"/>

    <mx:DataGridColumn headerText="Column 3" dataField="svccode"/>

    <mx:DataGridColumn headerText="Column 3" dataField="protoname"/>

   </mx:columns>

  </mx:DataGrid>

 </mx:Panel> 

</mx:Application>