Occurs when page initialization is complete.
Assembly: System.Web (in System.Web.dll)
The event is called at the end of the page's initialization stage. At this stage of the page's life cycle, all declared controls on the page are initialized, but the page's state is not yet populated. You can access server controls, but they will not yet contain information returned from the user.
For more information about handling events, see Consuming Events.
Windows 8.1, Windows Server 2012 R2, 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.