transfer data from asp.net to flex

private function LoadUserID():void
		{
			var url:String = "UserId.aspx";
			var dataService:HTTPService = new HTTPService();								
			dataService.url = url;
			dataService.method = "GET";
			dataService.addEventListener(ResultEvent.RESULT, OnSuccess);
			dataService.addEventListener(FaultEvent.FAULT,OnError);
			dataService.send();
		}
		
		public function OnSuccess(evt:ResultEvent):void
        {        	
        	_id = evt.result as Number; 	
                _SelfID = _id;
        }
        
        public function OnError(evt:FaultEvent):void
        {
        	if(_attempt<attempt_limit)>
            {
            	_attempt++;
        		LoadUserID();
            }
        	else
        	{
        		Alert.show("Fail : "+evt.fault.faultString,"Error Message");
        	}
        }