Flex解析XML赋值给DataGrid

user.xml文件：

<?xml version="1.0" encoding="UTF-8"?>
<UserInfo>
  <User>
    <id>2421</id>
    <name>Divid</name>
    <password>12345</password>
  </User>
  <User>
    <id>2403</id>
    <name>Lance</name>
    <password>12345</password>
 </User>
 <User>
    <id>1</id>
    <name>Allen</name>
    <password>12345</password>
  </User>
</UserInfo>

.mxml文件:

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" 
			   xmlns:s="library://ns.adobe.com/flex/spark" 
			   xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600"
			    initialize="init()"
			   >
	
	<fx:Script>
		<![CDATA[
 
			import mx.collections.ArrayCollection;
			import mx.controls.Alert;
			import mx.rpc.events.FaultEvent;
			import mx.rpc.events.ResultEvent;
			import mx.rpc.http.HTTPService;
			[Bindable] public var xmlListColl:XMLList;
			[Bindable]public var userXmlListColl:ArrayCollection;
	 
	        function init(){
			
				getUserList();
	        }	
			public function getUserList():void
			{
				var configService:HTTPService = new HTTPService();
				configService.url = "user.xml";
				configService.resultFormat = "xml";	
				configService.addEventListener(ResultEvent.RESULT,configResult);
				configService.addEventListener(FaultEvent.FAULT,configFault);	
				configService.send();
			}
			private function configFault(event:mx.rpc.events.FaultEvent):void
			{
				Alert.show("加载异常");
			}
			
			
			private function configResult(event:ResultEvent):void
			{
				try{
				var configXML:XML = new XML(event.result.toString());
				xmlListColl = new XMLList();
				xmlListColl= configXML.User;	
				userXmlListColl = new ArrayCollection();  
				for(var i:int = 0;i < xmlListColl.length() ; i++){
					
					var obj:Object = {
						    id: xmlListColl[i].id,name : xmlListColl[i].name,password : xmlListColl[i].password
							
					}
				
				userXmlListColl.addItem(obj);
				}	
			}catch(error:Error){
				
			}
			}
			 
			
		]]>
	</fx:Script>

	
	<fx:Declarations>
		<!-- 将非可视元素（例如服务、值对象）放在此处 -->
	</fx:Declarations>
	<mx:DataGrid x="210" y="184" id="datagrid"  dataProvider="{userXmlListColl}">
		<mx:columns>
			<mx:DataGridColumn headerText="id" dataField="id"/>
			<mx:DataGridColumn headerText="用户" dataField="name"/>
			<mx:DataGridColumn headerText="密码" dataField="password"/>
		</mx:columns>
	</mx:DataGrid>
 
</s:Application>