Need to create a third level node in tree view
My requirement is to create a three level value node in tree view. I have create the first level (root node) and second level (first child node). But how to add the third level (child node for first child node).
When i debugged i found that the get_children method of the first child node is not getting called, why is it so since i have not set the value is_leaf in the first child node.
Is there any special place i need to write the coding to append the second child node?
Thanks in advance.