set .net principle

            var ticket = new FormsAuthenticationTicket(1, username, DateTime.Now, DateTime.Now.AddMinutes(FormsAuthentication.Timeout.Minutes), true, JsonConvert.SerializeObject(userinfo), FormsAuthentication.FormsCookiePath);
            HttpContext.Current.User = new GenericPrincipal(new FormsIdentity(ticket), null);
            var hash = FormsAuthentication.Encrypt(ticket);
            CookieHelper.SetCookie(FormsAuthentication.FormsCookieName, hash, FormsAuthentication.FormsCookiePath, DateTime.Now.AddMinutes(FormsAuthentication.Timeout.Minutes), true, FormsAuthentication.RequireSSL);