How to get the child nodes of the selected treeview node ?

Description:

You can easily get the child nodes of the selected node with the help of NodeSelectedEvent event and its argument.

Solution:

In a NodeSelectedEvent event, the event argument (e) holds the object of the selected node – Node. The selected node object have property called Items, it holds a list of child node object of the selected node.

By iterating the Item object, you can get the information of each child node.

Refer the following code example.

C#