Flex DataGrid超链接和全选
<?xml version="1.0" encoding="utf-8"?>

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

<mx:Script>

<![CDATA[
import mx.controls.Alert;
import mx.logging.LogLogger;
import mx.logging.Log;

import mx.collections.ArrayCollection;

[Bindable]

private var demoArr:ArrayCollection=new ArrayCollection

([{orgName:'杭州',amt:3654,available:false},

{orgName:'嘉兴',amt:2000,available:false},

{orgName:'绍兴',amt:1000,available:false},

{orgName:'金华',amt:1200,available:false},

{orgName:'宁波',amt:1800,available:false},

{orgName:'台州',amt:560,available:false},

{orgName:'丽水',amt:2300,available:false},

{orgName:'湖州',amt:2900,available:false},

{orgName:'衢州',amt:2600,available:false},

{orgName:'温州',amt:1600,available:false},

{orgName:'舟山',amt:1300,available:false}])


//注意调用的方法是public的

public function clickEvent(o:Object):void{
Alert.show(o.amt);
}
public function multip():void{
ColumnUtil.getInstance().addCheckBox(dg1.columns[0],dg1);
ColumnUtil.getInstance().setHeadState(dg1);
}

]]>

</mx:Script>



<mx:VBox width="100%"

height="100%"

horizontalAlign="center">

<mx:DataGrid width="400"

height="500"

dataProvider="{this.demoArr}"
creationComplete="multip();"
id="dg1">
<mx:columns>
<mx:DataGridColumn id="dc1" dataField="available"/>
<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>

注意：在全选时，available非常重要，这里表示默认全不选，也可以设置默认选中部分。