Form.Deactivate Event

Occurs when an active form becomes inactive.

Namespace: System.Web.UI.MobileControls
Assembly: System.Web.Mobile (in system.web.mobile.dll)

public:
event EventHandler^ Deactivate {
	void add (EventHandler^ value);
	void remove (EventHandler^ value);
}
/** @event */
public void add_Deactivate (EventHandler value)

/** @event */
public void remove_Deactivate (EventHandler value)

JScript supports the use of events, but not the declaration of new ones.

A form becomes inactive under the following circumstances:

  • When the ActiveForm property of the page is programmatically set to another form.

  • When the user navigates to a form through a Link control whose target is a form.

If neither of these actions occurs, the active form will never receive a Deactivate event. This event's position in the event chain makes it very important in resetting the child controls, data set, or global variables.

The following code example demonstrates how to trap the Deactivate event to clear the SelectionList. This example is part of a larger example for the Form overview.

No code example is currently available or this language may not be supported.

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

.NET Framework

Supported in: 2.0, 1.1

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