You can use design time in Visual Studio 2005 to populate your instance of Telerik RadTreeView with data from a declarative datasources.
When the data source is configured, the DataSourceID, DataTextField, DataNavigateUrlField, and DataValueField property drop-downs are automatically populated. You can select the ID of the newly configured data source from the DataSourceID drop-down. (The drop-down also allows you to generate a new data source.)
The same functionality is available through the Telerik RadTreeView "Choose Data Source" Smart Tag:
See Also
Declarative data sources in ASP.NET 2.0
See Also