The TreeList supports the unbound mode. In this mode, you need to manually create a tree in code. The TreeList stores its nodes within the Nodes collection. The tree list nodes store child nodes within the ChildNodes collection.
Local Copy of this Demo
To inspect the source code for this demo on your machine, you must first install our components via the DevExpress Component Installer.
You can open a local copy of this online demo directly from this webpage (if using v20.2.8, 21.1.4 or higher).
The source code files for this demo are installed (by default) in the following directory:
Open CS Solution
\Users\Public\Documents\DevExpress Demos XX.X\Components\ASP.NET\CS\MVCxTreeListDemos