WebPart.OnDeleting Method
Enables derived classes to provide custom handling when a WebPart control is permanently removed from a Web Parts page.
Namespace: System.Web.UI.WebControls.WebParts
Assembly: System.Web (in System.Web.dll)
The method in the WebPart base class contains no implementation.
Notes to InheritorsA derived control needs to override the OnDeleting method. Developers can raise custom events or carry out other actions. The method is called when the DeleteWebPart method is called.
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.