HierarchicalDataSourceControl.IHierarchicalDataSource.DataSourceChanged 事件

定義

發生於 HierarchicalDataSourceControl 變更而影響資料繫結控制項時。Occurs when the HierarchicalDataSourceControl has changed in some way that affects data-bound controls.

event EventHandler System.Web.UI.IHierarchicalDataSource.DataSourceChanged;
member this.System.Web.UI.IHierarchicalDataSource.DataSourceChanged : EventHandler 
Custom Event DataSourceChanged As EventHandler Implements System.Web.UI.IHierarchicalDataSource

事件類型

EventHandler

實作

備註

這個成員是明確介面成員實作,This member is an explicit interface member implementation. 只有在 HierarchicalDataSourceControl 執行個體轉換成 IHierarchicalDataSource 介面時,才能使用這個成員。It can be used only when the HierarchicalDataSourceControl instance is cast to an IHierarchicalDataSource interface.

DataSourceChanged當資料繫結控制項或基礎資料的屬性變更時,會影響資料繫結控制項與其資料之間的資料系結,就會引發事件。The DataSourceChanged event is raised when the properties of a data-bound control or the underlying data has changed in some way that affects the data bindings between a data-bound control and its data.

適用於

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