showItemSign not working


I was trying to show a plus icon to a tree nodes. Though there are no nodes in it. I tried


I am getting some values for the node and I am adding them one by one using ‘addRow’ API. I am trying this for last two days. Can you guys please give me a solution for this or any alternate way by which I can achieve this. This is becoming kind of high priority issue, quick reply on this will be highly appreciated.

Thanks a lot in advance.


sign can be shown only for folders. You may try to use autoloading same way as in the following post