public function doPrint():void{
var printer:FlexPrintJob = new FlexPrintJob();
if(printer.start()){
printer.addObject(body);
printer.send();
}
}

<mx:PrintAdvancedDataGrid id="body" x="188" y="232">
<mx:columns>
<mx:AdvancedDataGridColumn dataField="username"/>
<mx:AdvancedDataGridColumn dataField="password"/>
</mx:columns>
</mx:PrintAdvancedDataGrid>

<mx:DataGrid id="body" x="188" y="232">
<mx:columns>
<mx:DataGridColumn dataField="username"/>
<mx:DataGridColumn dataField="password"/>
</mx:columns>
</mx:DataGrid>

private function doPrint():void{
var PrintJob:FlexPrintJob = new FlexPrintJob();
if(PrintJob.start()){
addChild(body);
//設置的打印視圖屬性
while(true){
PrintJob.addObject(body);
if(body.validNextPage){
body.nextPage();
}else{
break;
}
}
}
PrintJob.send();
}

<mx:PrintAdvancedDataGrid id="body" x="188" y="232">
<mx:columns>
<mx:AdvancedDataGridColumn dataField="username"/>
<mx:AdvancedDataGridColumn dataField="password"/>
</mx:columns>
</mx:PrintAdvancedDataGrid>