How to trigger an treeview node to expand itself when checking

[steven_wong]

Hi~~~~~,everyone: I want to let a treeview node automatically expand when i check its checkbox. Also, when it expand it should execute the expand event solution code in the severside to find its child nodes. It means how could i write code to call the expand event in treeview.check event. Is there anyone could help me. Any idea is appreciated, thanks in advance! :rose: