how to develop a Binary tree for MLM websites in asp.net...

Question

hie guys.. i m developing a project in asp.net.. its a Multilevel marketing website... it requires a binary tree like this... http://mathworld.wolfram.com/images/eps-gif/CompleteBinaryTree_1000.gif 

plz anyone knw abt how to do this.. plz rply me.... plz i m so much confused here....