The company has made several websites and needs to be used to use it. Because not on a server, I finally decided to deliver login information with cookies. Judging the value of the cookie in Application_AuthenticateRequest to determine if there is no login, if you log in, FormsAuthentication.seTauthCookie, to log in to the user, attach the role. Finally, I found a problem. After a website is successful, go to another website, to refresh to display the user has logged in,
