Defines a method that enables controls to obtain a callback script.
Assembly: System.Web (in System.Web.dll)
Creates a script for initiating a client callback to a Web server.
Classes that implement the Implementing Client Callbacks Programmatically Without Postbacks in ASP.NET Web Pages.interface provide controls with a script that will initiate a callback to the server. A callback differs from the more common postback in that the page processing for the callback recreates the page without changing state information held by the page. For more information on creating callbacks, see
Classes that implement the ICallbackEventHandler interface to handle the events raised by controls.interface should also implement the
Available since 2.0