public UserIdentity()
 {
     _ticket = new FormsAuthenticationTicket(String.Empty, false, 1);
      _authMod = null;
      _isAuthenticated = false;
 }
 public UserIdentity(FormsAuthenticationTicket ticket, AuthenticatonModule AuthMod)
 {
     _ticket = ticket;
      _authMod = AuthMod;
      _isAuthenticated = true;
 }