Feed data from web service to ComboBox

       

<?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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Feed data from web service to ComboBox : ComboBox Data « Components « Flex

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