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Web Service Bounded Params

<?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="horizontal">   <mx:Script>            import mx.collections.ArrayCollection;       import mx.rpc.events.ResultEvent;              [Bindable]       private var contactData:ArrayCollection;              private function resultHandler(event:ResultEvent):void       {         contactData = event.result as ArrayCollection;       }       private function searchForContacts():void       {         myService.getFilteredContacts.send();       }      </mx:Script>   <mx:WebService id="myService" wsdl="http://localhost:8500/Service.cfc?wsdl" result="resultHandler(event)">     <mx:operation name="getFilteredContacts">       <mx:request>         <firstname>{fnameInput.text}</firstname>         <lastname>{lnameInput.text}</lastname>       </mx:request>     </mx:operation>   </mx:WebService>      <mx:Panel title="Search for Contacts" id="searchPanel">     <mx:Form>       <mx:FormItem label="First Name:">         <mx:TextInput id="fnameInput"/>       </mx:FormItem>       <mx:FormItem label="Last Name:">         <mx:TextInput id="lnameInput"/>       </mx:FormItem>     </mx:Form>     <mx:ControlBar>       <mx:Button label="Search" click="searchForContacts()"/>     </mx:ControlBar>   </mx:Panel>   <mx:DataGrid dataProvider="{contactData}">     <mx:columns>       <mx:DataGridColumn dataField="firstName" headerText="First Name"/>       <mx:DataGridColumn dataField="lastName" headerText="Last Name"/>     </mx:columns>   </mx:DataGrid>    </mx:Application>