asp.net mvc 2

Controller needs to derive from Mvc.Controller
each controller function is assiaciaed with a default view by name
controller and viewer can exchange data by viewdata
use HTML.ActionLink to add a link on html page
a url is corresponding to a action method
in view, using HTML.BeginForm() will generate <Form></Form>
use AcceptVerb("Post") to get the post HTTP
Strong typed view, with data binding to a data model
use Model.xx to access the members
DataModel class that derives from IDataErrorInfo to add a data valaidation
How to determine is valid and validation summay in data model class?