Flex :: Unable To Make Dynamic Tree?

Sep 15, 2011

i wanna make a dynamic tree using a lazy loading ,each time i open a folder the tree sends a http request to the server, in this script i'm using just static text to test the tree but , i'm getting in the label of the root all the XML text assigned to the dataprovider, then when i open the root folder i got the childs with good labels , and openitem and closeitem events do not fire how could i make them

import flash.net.URLLoader;
import flash.net.URLRequest;
import flash.net.URLRequestMethod;

[code].....

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