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GridView.OnRowEditing Method

Raises the RowEditing event.

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

'Declaration
Protected Overridable Sub OnRowEditing ( _
	e As GridViewEditEventArgs _
)

Parameters

e
Type: System.Web.UI.WebControls.GridViewEditEventArgs

A GridViewEditEventArgs that contains event data.

ExceptionCondition
HttpException

There is no handler for the RowEditing event.

The RowEditing event is raised when a row's Edit button is clicked, but before the GridView control enters edit mode. This enables you to provide an event-handling method that performs a custom routine, such as canceling the edit operation, whenever this event occurs.

Raising an event invokes the event handler through a delegate. For more information, see Raising an Event.

The OnRowEditing method also allows derived classes to handle the event without attaching a delegate. This is the preferred technique for handling the event in a derived class.

Notes to Inheritors

When overriding OnRowEditing in a derived class, be sure to call the base class's OnRowEditing method so that registered delegates receive the event.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0
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