public static HttpCookie CreateAuthCookie(string userName, bool rememberUser)
        {
            HttpCookie authCookie            = FormsAuthentication.GetAuthCookie(userName, rememberUser);
            FormsAuthenticationTicket ticket = FormsAuthentication.Decrypt(authCookie.Value);
            string userData  = String.Join(",", MADRoles.GetRolesForUser(userName).Select(el => el.RoleName));
            var    newTicket = new FormsAuthenticationTicket(
                ticket.Version,
                ticket.Name,
                ticket.IssueDate,
                ticket.Expiration,
                ticket.IsPersistent,
                userData,
                ticket.CookiePath
                );

            authCookie.Value = FormsAuthentication.Encrypt(newTicket);
            return(authCookie);
        }
 private static string GetRolesForUser(string userName)
 {
     return(String.Join(",", MADRoles.GetRolesForUser(userName)));
 }