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UpdatePanel::OnInit Method

Raises the Init event.

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

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

Parameters

e
Type: System::EventArgs

An EventArgs object that contains the event data.

ExceptionCondition
InvalidOperationException

The ContentTemplate property is being defined when the ContentTemplateContainer property has already been created.

The UpdatePanel control's ContentTemplate property is instantiated during the OnInit method.

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

Notes to Inheritors

When you override the OnInit method in a derived class, make sure to call the OnInit method of the base class so that registered delegates can receive the event.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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