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WebPartManager.WebPartDeleting Event

Occurs during the process of permanently deleting an instance of a dynamic WebPart or other server control from a WebPartZoneBase zone.

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

public event WebPartCancelEventHandler WebPartDeleting
<asp:WebPartManager OnWebPartDeleting="WebPartCancelEventHandler" />

The WebPartDeleting event is raised by the OnWebPartDeleting method, during the process of deleting a dynamic control (one that has been added programmatically or by a user through the Web Parts user interface). The event provides an opportunity to cancel the process before it is finished. If the deletion process is successfully completed, this event is followed by the WebPartDeleted event.

Page developers can provide custom handlers for the event by adding the OnWebPartDeleting attribute to the <asp:webpartmanager> element in a page, and assigning a custom method name to the attribute.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

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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