DBOperation.as: import flash.events.*; import flash.net.NetConnection; import flash.net.ObjectEncoding; import flash.net.Responder;
import mx.collections.ArrayCollection; import mx.controls.List; import mx.rpc.events.ResultEvent; import mx.collections.ArrayCollection; public class DBOperation { private var nc:NetConnection; private var responder:Responder; public var list:ArrayCollection; public function DBOperation():void{ nc = new NetConnection(); nc.objectEncoding = ObjectEncoding.AMF0; nc.connect("rtmp://localhost/ins"); } public function getSolutionData(sql:String):Boolean { responder=new Responder(getSolutionList,null); nc.call ("dbo.getSolutionData",responder,sql); return true; } public function getSolutionList (solution:Object):void{ var solutionList:Array = new Array(); for(var items:String in solution) { solutionList.push ({label:items,title:solution[items].title,owner:solution [items].owner,submitTime:solution[items].submitTime,image:solution [items].image,imgInstruction:solution[items].imgInstruction}); } list = new ArrayCollection(solutionList); } } ------------------------------------------------------------ datagrid.mxml: ... <mx:Script> <![CDATA[ import DBOperation; import mx.collections.ArrayCollection; [Bindable] private var solutionList:ArrayCollection; private function initDG():void{ var dbo:DBOperation=new DBOperation(); dbo.getSolutionData("some sql strings"); solutionList=dbo.list; } ]]> </mx:Script> ... ------------------------------------------------------------ My problem is I can get the data using DBOperation class,but I can not assign it to solutionList by "solutionList=dbo.list;" The debug information says dbo.list=null, however inside DBOperation the "list" is full of data. What's wrong with it?? Thanks!
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