flex DataGrid设置超链接

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute">
	<mx:Script>
		<![CDATA[
			import mx.collections.ArrayCollection;
			[Bindable]
			private var demoArr:ArrayCollection=new ArrayCollection
				([{orgName:'杭州',amt:3654},{orgName:'嘉兴',amt:2000},{orgName:'绍兴',amt:1000},{orgName:'金华',amt:1200},{orgName:'宁波',amt:1800},{orgName:'台州',amt:560},{orgName:'丽水',amt:2300},{orgName:'湖州',amt:2900},{orgName:'衢州',amt:2600},{orgName:'温州',amt:1600},{orgName:'舟山',amt:1300}])
			
			//注意调用的方法是public的	
			public function clickEvent(o:Object):void{
				log.debug(o);
			}
		]]>
	</mx:Script>
	
	<mx:VBox width="100%"
			 height="100%"
			 horizontalAlign="center">
		<mx:DataGrid width="400"
					 height="500"
					 dataProvider="{this.demoArr}">
			<mx:columns>
				<mx:DataGridColumn headerText="单位">
					<mx:itemRenderer>
						<mx:Component>
							<mx:LinkButton label="{data.orgName}"
										   color="blue"
										   textDecoration="underline"
										   click="outerDocument.clickEvent(data)">
							</mx:LinkButton>
						</mx:Component>
					</mx:itemRenderer>
				</mx:DataGridColumn>

				<mx:DataGridColumn headerText="金额"
								   dataField="amt">
				</mx:DataGridColumn>

			</mx:columns>
		</mx:DataGrid>
	</mx:VBox>
	
</mx:Application>