private void detach_tblSys_MenuChoices(tblSys_MenuChoice entity)
 {
     this.SendPropertyChanging();
     entity.tblSys_MenuFolder = null;
 }
 partial void UpdatetblSys_MenuChoice(tblSys_MenuChoice instance);
 partial void DeletetblSys_MenuChoice(tblSys_MenuChoice instance);
 partial void InserttblSys_MenuChoice(tblSys_MenuChoice instance);