GridView.SelectedIndexChanging Event

Occurs when a row's Select button is clicked, but before the GridView control handles the select operation.

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

public:
event GridViewSelectEventHandler^ SelectedIndexChanging {
	void add (GridViewSelectEventHandler^ value);
	void remove (GridViewSelectEventHandler^ value);
}
/** @event */
public void add_SelectedIndexChanging (GridViewSelectEventHandler value)

/** @event */
public void remove_SelectedIndexChanging (GridViewSelectEventHandler value)

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

The SelectedIndexChanging event is raised when a row's Select button is clicked, but before the GridView control handles the select operation. This allows you to provide an event-handling method that performs a custom routine, such as canceling the selection operation, whenever this event occurs.

NoteNote:

This event is not raised when you programmatically set the SelectedIndex property.

A GridViewSelectEventArgs object is passed to the event-handling method, which allows you to determine the index of the row selected by the user and to indicate that the selection operation should be canceled. To cancel the selection operation, set the Cancel property of the GridViewSelectEventArgs object to true.

For more information about handling events, see Consuming Events.

The following code example demonstrates how to use the SelectedIndexChanging event to cancel a select operation.

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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