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ListView.ItemEditing Event

Occurs when an edit operation is requested, but before the ListView item is put in edit mode.

Namespace:  System.Web.UI.WebControls
Assembly:  System.Web.Extensions (in System.Web.Extensions.dll)
member ItemEditing : IEvent<EventHandler<ListViewEditEventArgs>,
    ListViewEditEventArgs>
<asp:ListView OnItemEditing="EventHandler" />

The ItemEditing event is raised when an item's Edit button is clicked, but before the ListView item is put in edit mode. (An Edit button is a button control whose CommandName property is set to "Edit".) This enables you to perform a custom routine whenever this event occurs, such as canceling the edit operation.

A ListViewEditEventArgs object is passed to the event handler, which enables you to determine the index of the current item. It also lets you indicate that the edit operation should be canceled. To cancel the edit operation, set the Cancel property of the ListViewEditEventArgs object to true.

For more information about how to handle events, see Consuming Events.

The following example shows how to add an event handler for the ItemEditing event.

Security noteSecurity Note

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.

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

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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