ListBox.OnPreRender Method
.NET Framework 3.0
Configures the ListBox control prior to rendering on the client.
Namespace: System.Web.UI.WebControls
Assembly: System.Web (in system.web.dll)
Assembly: System.Web (in system.web.dll)
The OnPreRender method is used primarily by control developers, when deriving a custom control from the ListBox class. The OnPreRender method allows derived classes to handle the PreRender event without attaching a delegate. This is the preferred technique for handling the event in a derived class.
The OnPreRender method performs any necessary prerendering steps prior to saving view state and rendering content for the ListBox.
Notes to Inheritors: When overriding the OnPreRender method in a derived class, be sure to call the OnPreRender method of the base class so that registered delegates receive the event.Community Additions
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