A property of the Page class in an ASP.Net web application, it
enhances the user interface experience during postback operations
of a web form. In particular :
- Persisting element focus between postbacks.
The active web control remains in focus after a postpack
- Persisting scroll position between postbacks
- Eliminate page flash caused by page postback.
This is done by double buffering
- Prevents each postback from being saved in browser history.
This feature requires IE v5.0 or later