flex advanceddatagrid动态生成列

<?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"

creationComplete="application1_creationCompleteHandler(event)">

<fx:Script>

<![CDATA[

import mx.collections.ArrayCollection;

import mx.controls.advancedDataGridClasses.AdvancedDataGridColumn;

import mx.events.FlexEvent;

private var columnsArrayCollection:ArrayCollection=new ArrayCollection();

protected function application1_creationCompleteHandler(event:FlexEvent):void

{

var datagridColumnPosition:AdvancedDataGridColumn;

for(var i:int=0;i<250;i++)

{

//创建一列

datagridColumnPosition = new AdvancedDataGridColumn();

datagridColumnPosition.width=60;

//表头文字

datagridColumnPosition.headerText=i+"列";

//datafield

datagridColumnPosition.dataField=("d"+i.toString());

//将列添加到grid

columnsArrayCollection.addItem(datagridColumnPosition);

}

tab.groupedColumns=columnsArrayCollection.toArray();

}

]]>

</fx:Script>

<fx:Declarations>

<!-- 将非可视元素（例如服务、值对象）放在此处 -->

</fx:Declarations>

<mx:AdvancedDataGrid id="tab" left="30" right="30" top="30" bottom="30"

horizontalScrollPolicy="on" textAlign="center" verticalScrollPolicy="on" sortExpertMode="true">

</mx:AdvancedDataGrid>

</s:Application>

//类似实例，显示- -

detailGrid.groupedColumns=columnsArrayCollection.toArray();
对于表头多行的：

在生成ColumnGroup和column的时候，将每个column对应到每个group上