WebPartManager.OnWebPartClosing Method (WebPartCancelEventArgs)

 
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Raises the WebPartClosing event, which occurs during the process of a WebPart or server control being removed from a page.

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

abstract OnWebPartClosing : 
        e:WebPartCancelEventArgs -> unit
override OnWebPartClosing : 
        e:WebPartCancelEventArgs -> unit

The OnWebPartClosing method raises the WebPartClosing event to indicate that a control is in the process of being closed or removed from a page. The method also provides the option to cancel the closing process. If the control is successfully removed from the page, the WebPartClosed event follows.

Page developers can provide a custom handler for the associated event by adding the OnWebPartClosinging 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 OnWebPartClosing method to customize the event handling.

.NET Framework
Available since 2.0
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