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UpdatePanel::OnPreRender Method

Raises the PreRender event.

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

protected public:
virtual void OnPreRender(
	EventArgs^ e
) override

Parameters

e
Type: System::EventArgs

An EventArgs object that contains the event data.

ExceptionCondition
InvalidOperationException

The ChildrenAsTriggers property is set to false, and the UpdateMode property is set to Always.

The OnPreRender method is used by control developers to extend the functionality of the UpdatePanel control.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

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

.NET Framework

Supported in: 3.5
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