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)

In JScript, you can handle the events defined by a class, but you cannot define your own.
Not applicable.

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 Server 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 Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1

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