FindNodeByValue's problem

[zong]

HI:
I want to find a node,the node is the treeroot's child.I use FindNodeByValue method.
my progem is:

find_node = tree_root.Nodes.FindNodeByValue("C002417")

i have give my node set nodevalue,but i can't find it.
why?

[Omarr]

It is a case sensitive function.