Something

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" width="100%" height="100%" creationComplete="loadsdisp.send()">
<mx:HTTPService id="loadsdisp" url="http://blah.php">

</mx:HTTPService>
	<mx:DataGrid left="10" top="10" width="98%"  dataProvider="{loadsdisp.lastResult.loads.loadlist}">
		<mx:columns>
			<mx:DataGridColumn headerText="Column 1" dataField="id"/>
			<mx:DataGridColumn headerText="Column 2" dataField="rate"/>
			<mx:DataGridColumn headerText="Column 3" dataField="status"/>
		</mx:columns>
	</mx:DataGrid>
	
</mx:Application>