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WebPartManager.OnWebPartDeleting Method

Raises the WebPartDeleting event, which indicates that a dynamic WebPart control (or server or user control that is contained in a WebPartZoneBase zone) is in the process of being deleted.

Namespace:  System.Web.UI.WebControls.WebParts
Assembly:  System.Web (in System.Web.dll)
protected virtual void OnWebPartDeleting(
	WebPartCancelEventArgs e
)

Only dynamic WebPart controls can be deleted, and when a control is deleted, the control instance is permanently removed from a page and cannot be restored. Dynamic WebPart controls are those that are added programmatically, or from a Web Parts catalog, as opposed to static controls that are declared in the markup of a Web page.

The OnWebPartDeleting method raises the WebPartDeleting event to indicate that a control is being permanently deleted from its zone. The method also provides the opportunity to cancel the deleting process. If the control is successfully deleted from the page, the WebPartDeleted event follows.

Page developers can provide a custom handler for the associated event by adding the OnWebPartDeleting attribute to the <asp:webpartmanager> element on a Web page, and then assigning a custom method name to the attribute.

Notes to Inheritors:

Developers who create derived WebPartManager classes can override the OnWebPartDeleting method to customize the event handling.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

Supported in: 3.5, 3.0, 2.0
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