I use the PHP/MySQL way to fill the tree, and it works just fine.
I have about 8 top level categories, and I want their sub-nodes (children) to be hidden by default and all top level nodes to be expandable.
Basically, I want the opening screen to be like this:
+ Top Level Cat 1
+ Top Level Cat 2
+ Top Level Cat 8
I hoped I could force the top node to be a kind of sub-node and get a + sign instead of the machine symbol, but that didnA?t do it. The code is below:
Found solution in demo6.