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HierarchicalDataBoundControl.OnDataSourceChanged Method

Called when the IHierarchicalDataSource instance that the data-bound control works with raises the DataSourceChanged event.

Namespace:  System.Web.UI.WebControls
Assembly:  System.Web (in System.Web.dll)

protected virtual void OnDataSourceChanged(
	Object sender,
	EventArgs e


Type: System.Object
The source of the event, the IHierarchicalDataSource object.
Type: System.EventArgs
An EventArgs object that contains event data.

The HierarchicalDataBoundControl class handles the DataSourceChanged event to set the RequiresDataBinding property to true.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.