<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute">
 <mx:Script>
  <![CDATA[
   
   [Bindable]
      public var myData:Array =
       [
        {No:'1', Name:'Jane', midexam_total:'450', midexam_avg:'90', lastexam_total:'425',  lastexam_avg:'85', total_avg:'87.5'},
                 {No:'2', Name:'Tom', midexam_total:'320', midexam_avg:'64', lastexam_total:'400',  lastexam_avg:'80', total_avg:'72'}
               ];
  
   
  ]]>
 </mx:Script>
 
 <mx:AdvancedDataGrid dataProvider="{myData}" textAlign="center" fontFamily="돋움" fontSize="12" left="10" top="10">
  <mx:groupedColumns>
   <mx:AdvancedDataGridColumn dataField="No" headerText="No." />
   <mx:AdvancedDataGridColumn dataField="Name" headerText="이름" />
      <mx:AdvancedDataGridColumnGroup headerText="점수">
       <mx:AdvancedDataGridColumnGroup headerText="중간고사">
        <mx:AdvancedDataGridColumn dataField="midexam_total" headerText="총점" />
        <mx:AdvancedDataGridColumn dataField="midexam_avg" headerText="평균" />
      </mx:AdvancedDataGridColumnGroup>
       <mx:AdvancedDataGridColumnGroup headerText="기말고사">
        <mx:AdvancedDataGridColumn dataField="lastexam_total" headerText="총점" />
        <mx:AdvancedDataGridColumn dataField="lastexam_avg" headerText="평균" />
      </mx:AdvancedDataGridColumnGroup>
    <mx:AdvancedDataGridColumn dataField="total_avg" headerText="총  평균" />
   </mx:AdvancedDataGridColumnGroup>
  </mx:groupedColumns>
 </mx:AdvancedDataGrid>
 
</mx:Application>