GridView.RowUpdating Event

Occurs when a row's Update button is clicked, but before the GridView control updates the row.

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

event GridViewUpdateEventHandler^ RowUpdating {
	void add (GridViewUpdateEventHandler^ value);
	void remove (GridViewUpdateEventHandler^ value);
/** @event */
public void add_RowUpdating (GridViewUpdateEventHandler value)

/** @event */
public void remove_RowUpdating (GridViewUpdateEventHandler value)

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

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

A GridViewUpdateEventArgs object is passed to the event-handling method, which allows you to determine the index of the current row and to indicate that the update operation should be canceled. To cancel the update operation, set the Cancel property of the GridViewUpdateEventArgs object to true. You can also manipulate the Keys, OldValues, and NewValues collections, if necessary, before the values are passed to the data source. A common way to use these collections is to HTML-encode the values supplied by the user before they are stored in the data source. This helps to prevent script injection attacks.

For more information about handling events, see Consuming Events.

The following code example demonstrates how to use the RowUpdating event to HTML-encode all values supplied by the user before updating the data source.

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