flex AdvancedDataGrid问题 ,大神帮忙
<mx:AdvancedDataGrid width="100%" height="100%" id="dataGrid1" headerSortSeparatorSkin="mx.skins.ProgrammaticSkin" sortExpertMode="true">
<mx:groupedColumns>
<mx:AdvancedDataGridColumnGroup dataField="" headerText="时间"/>
<mx:AdvancedDataGridColumnGroup id="ppt" headerText=名字">
<mx:AdvancedDataGridColumn dataField="" headerText="小红"/>
</mx:AdvancedDataGridColumnGroup>
<mx:AdvancedDataGridColumnGroup headerText="性别">
<mx:AdvancedDataGridColumn dataField="" headerText="男"/>
<mx:AdvancedDataGridColumn dataField="" headerText="女"/>
</mx:AdvancedDataGridColumnGroup>
</mx:groupedColumns>
</mx:AdvancedDataGrid>
想给名字那个AdvancedDataGridColumnGroup 中动态添加几列??格式已经定好,怎样指定插列呢?实在做不出了,求思路。。。