function OnPostback()
 {
     # get object
     $this->user = $this->editor->GetDataObject();
     # save data if valid
     if ($this->IsValid()) {
         $id = $this->GetAuthenticationManager()->SaveUser($this->user);
         $this->user->SetId($id);
         $this->GetAuthenticationManager()->SaveUserSecurity($this->user);
         $this->Redirect($this->user->GetUserProfileUrl());
     }
 }