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Flex 2 "Access of undefined property" Error.

Posted on 2007-04-04
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Last Modified: 2009-12-04
Flex 2 "Access of undefined property" Error.

I can't figure out why I'm getting this error...

Main app Code:
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" >

<mx:Script>
      <![CDATA[
            import dto.Example;
            
            [Bindable]
            public var tempExample:Example = new Example();
            tempExample._id = "test";
            
            
      ]]>
</mx:Script>

</mx:Application>



Class Code: (File saved in "dto" folder off application root)
package dto
{
      public class Example{
            
            public var _id:String;
            
            public function Example(){
                  
            }
            
      }
}

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Comment
Question by:jpilz
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3 Comments
 
LVL 4

Accepted Solution

by:
teddysetiawan earned 2000 total points
ID: 18855531
<![CDATA[
            import dto.Example;
           
            [Bindable]
            public var tempExample:Example = new Example();
            tempExample._id = "test";   // you can't do this , as property/method must be change in function
           
           
      ]]>

---- Must understand that <![CDATA[]]>  tag is a class


so your code should be

<![CDATA[
            import dto.Example;
            import mx.controls.Alert;
           
            [Bindable]
            public var tempExample:Example = new Example();
           
            public function init():void{
                  tempExample._id="asdalsdhashdjha";
                  Alert.show(tempExample._id);
            }
                       
      ]]>


------------------------------------------------------------------------------
I change a little bit , just copy and paste the code



<?xml version="1.0" encoding="utf-8"?>
<mx:Application
      xmlns:mx="http://www.adobe.com/2006/mxml"
      layout="absolute"
    creationComplete="init()">

<mx:Script>
      <![CDATA[
            import dto.Example;
            import mx.controls.Alert;
           
            [Bindable]
            public var tempExample:Example = new Example();
           
            public function init():void{
                  tempExample._id="TEST";
                  Alert.show(tempExample._id);
            }
           
           
      ]]>
</mx:Script>

</mx:Application>



It will pop up an Alert Message "TEST"


0
 
LVL 4

Expert Comment

by:danieldear
ID: 18918964
 tempExample.var _id = "test";
i think so
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