Renaming TreeNode...

Question

Hi guys, I have got a tree node named "parent" inside which i have a childnodes named "child1","child2"...If I rename the "child2" node to "hello" then automatically the immediate next node sorted alphabetically is also renamed to "hello". Could just anyone help me out to fix this problem. The problem which I have given is just for a case scenario. Regards, Krishna Prasad J.