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OnDataSourceChanged Method

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
)

Parameters

sender
Type: System.Object

The source of the event, the IHierarchicalDataSource object.

e
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: 4.6, 4.5, 4, 3.5, 3.0, 2.0
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