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The DevExpress ASP.NET Tree List (ASPxTreeList) supports web hierarchical data sources such as XmlDataSource and SiteMapDataSource. All you have to do is assign the required data source to the ASPxTreeList's DataSource property, or specify its DatasourceID property.

In this demo, the ASPxTreeList is bound to an XmlDataSource object. Use the expand and collapse buttons, or double click a node (the action is specified by the ExpandCollapseAction property), to expand and collapse the node.

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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).
Open CS Solution
Open VB Solution
The source code files for this demo are installed (by default) in the following directories:
\Users\Public\Documents\DevExpress Demos XX.X\Components\ASP.NET\CS\ASPxTreeListDemos
\Users\Public\Documents\DevExpress Demos XX.X\Components\ASP.NET\VB\ASPxTreeListDemos

Your Next Great ASP.NET App Starts Here

Get started today and download your 30-day trial of ASP.NET Controls and Libraries (includes 30 days of free technical support).
All demos ship with full source code and are included in the DevExpress ASP.NET distribution. Refer to the Demos and Sample Applications topic to learn more.

DevExpress ASP.NET Controls and Libraries ship as part of DevExpress Universal, DXperience and ASP.NET Subscriptions and are backed by a 60 day unconditional money-back guarantee.
To learn more and obtain pricing information, visit the Compare Features and Pricing webpage. For immediate assistance, contact us by Email at info@devexpress.com or by phone at +1 (818) 844-3383 between 7:30am and 4:30pm Pacific Time.