how to use hirachyid in asp.net c# to view and trace tree st

Question

Helo sir,

 

I m using asp.net 3.5 ans C#,sql server8 . i would like to create tree using hirarchyid.

how to trace tree and traverse also show in graphical order?

 pls help what shall i do?

 

i need one examle to use hirachyid in my website.

ex fcm->bm->dm->gm

this is my tree in ascending order.