WebHierarchicalDataSource Class

WebHierarchicalDataSource is a hierarchical datasource control allowing you to combine any number of flat datasources into a hierarchy. The control supports all flat declarative datasources - AccessDataSource, SqlDataSource, WebHierarchicalDataSource, ObjectDataSource - they can be specified both using Visual Studio.NET design time or at runtime. You can also use a wide range of datasource objects at runtime, like arrays, collections, DataSet/DataTable, etc. You can mix any number/type of datasource. The control can be used in various databinding scenarios, for example binding to hierarchical databound controls like WebDataTree, UltraWebTree, the built-in asp:treeview/menu, UltraWebGrid, WebDataGrid, etc.

'Declaration
 
Public Class WebHierarchicalDataSource 
   Inherits Infragistics.Web.UI.Framework.Data.FlatDataBoundControl
   Implements Infragistics.Web.UI.IControlCallback, Infragistics.Web.UI.IControlMain, Infragistics.Web.UI.IDataBoundControl, Infragistics.Web.UI.IHierarchicalSchemaProvider, Infragistics.Web.UI.ITracksViewState 

public class WebHierarchicalDataSource : Infragistics.Web.UI.Framework.Data.FlatDataBoundControl, Infragistics.Web.UI.IControlCallback, Infragistics.Web.UI.IControlMain, Infragistics.Web.UI.IDataBoundControl, Infragistics.Web.UI.IHierarchicalSchemaProvider, Infragistics.Web.UI.ITracksViewState