flex AdvancedDataGrid的使用2

<?xml version="1.0" encoding="utf-8"?>
<mx:VBox xmlns:mx="http://www.adobe.com/2006/mxml" width="100%" height="100%" creationComplete="init()">
<mx:Script>
<![CDATA[
  import mx.collections.ArrayCollection;
 [Bindable]private var list:ArrayCollection;
 private function init():void{
  list=new ArrayCollection();
var obj:Object=new Object();
obj.id="1";
obj.areaName="金水区";
obj.lineName="纬五路经营点";
obj.linesn="00124";
obj.address="河南省金水区纬五路18号";
obj.level="代理商";
obj.peopleNum="22";

list.addItem(obj);

var obj1:Object=new Object(); obj1.id="2"; obj1.areaName="金水区"; obj1.lineName="经八路经营点"; obj1.linesn="00135"; obj1.address="河南省金水区经八路33号"; obj1.level="代理商"; obj1.peopleNum="35"; list.addItem(obj1); 

} } ]]> </mx:VBox>