Thanks for responding for my problem.As I mentioned earlier I am very new to the Flex. I don't know dataProvider filtering. I am unable to find what of dataprovider for the tree are good to handle(XML, XMLList, XMLCollection etc.).
I am facing this problem since couple of weeks. I will be very thnkful to you for deveplping custom dataDescripter. Thanks YM --------------------------------- Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now.