private void detach_TblNews(TblNews entity)
 {
     this.SendPropertyChanging();
     entity.TblCategory = null;
 }
 private void attach_TblNews(TblNews entity)
 {
     this.SendPropertyChanging();
     entity.TblCategory = this;
 }
 partial void UpdateTblNews(TblNews instance);
 partial void DeleteTblNews(TblNews instance);
 partial void InsertTblNews(TblNews instance);