Assembly: System.Web (in system.web.dll)
Classes that implement the IPostBackContainer interface enable buttons to get a PostBackOptions object that is used to create the correct postback event reference.
For more information about postback processing, see ASP.NET Web Server Control Event Model.
Controls that implement the IPostBackContainer interface should also implement the IPostBackEventHandler interface to handle events raised by contained buttons.
Windows 98, Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.