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FormViewModeEventHandler Delegate

Represents the method that handles the ModeChanging event of a FormView control.

Namespace: System.Web.UI.WebControls
Assembly: System.Web (in system.web.dll)

public delegate void FormViewModeEventHandler (
	Object^ sender, 
	FormViewModeEventArgs^ e
)
/** @delegate */
public delegate void FormViewModeEventHandler (
	Object sender, 
	FormViewModeEventArgs e
)
Not applicable.

Parameters

sender

The source of the event.

e

A FormViewModeEventArgs that contains the event data.

The ModeChanging event is raised when a FormView control attempts to switch between edit, insert, and read-only mode, but before the mode actually changes. This allows you to provide an event-handling method that performs a custom routine, such as configuring the FormView control for a specific mode or canceling the mode change, whenever this event occurs.

When you create a FormViewModeEventHandler delegate, you identify the method that will handle the event. To associate the event with your event handler, add an instance of the delegate to the event. The event handler is called whenever the event occurs, unless you remove the delegate. For more information about event-handler delegates, see Events and Delegates.

The following example demonstrates how to programmatically add a FormViewModeEventHandler delegate to the ModeChanging event of a FormView control.

Security noteSecurity Note:

The control in this example has a text box that accepts user input, which is a potential security threat. By default, ASP.NET Web pages validate that user input does not include script or HTML elements. For more information, see Script Exploits Overview (Visual Studio).

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

The following example demonstrates how to declaratively add a FormViewModeEventHandler delegate to the ModeChanging event of a FormView control.

Security noteSecurity Note:

The control in this example has a text box that accepts user input, which is a potential security threat. By default, ASP.NET Web pages validate that user input does not include script or HTML elements. For more information, see Script Exploits Overview (Visual Studio).

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

Windows 98, Windows Server 2000 SP4, 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

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