Moving items from Webcontrol treeview to Listbox

Hi,

I am not able to get the solution to move the items from webcontrol treeview to list box.

I have webcontrol treeview and list box on webpage.

Treeview is displaying the data from database.

probelm is

 in treeview i have'

Node1

    Child1

        Child1Child1(GrandChild)

        Child1Child2.........

        Child1Child7

     Child2

       Child2child1(GrandChild)

        Child2Child2

 

(Max num of granchilds is 7)

i am not able to move childnodes with its child(ie, granchild) to list box

Plz Help me out in This.

I Really Appriciate ur Help!

 
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