<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" initialize="initializeHandler(event)">
<mx:Script>
private function initializeHandler(event:Event):void {
statesService.getCountries( );
}
private function changeHandler(event:Event):void {
statesService.getStates(country.value);
}
</mx:Script>
<mx:WebService id="statesService" wsdl="http://www.rightactionscript.com/states/webservice/StatesService.php?wsdl">
<mx:operation name="getCountries" />
<mx:operation name="getStates" />
</mx:WebService>
<mx:VBox>
<mx:ComboBox id="country" dataProvider="{statesService.getCountries.lastResult}" change="changeHandler(event)" />
<mx:ComboBox dataProvider="{statesService.getStates.lastResult}" />
</mx:VBox>
</mx:Application>
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