partial void DeleteExtractError(ExtractError instance);
 private void detach_ExtractErrors(ExtractError entity)
 {
     this.SendPropertyChanging();
     entity.Extract = null;
 }
 private void attach_ExtractErrors(ExtractError entity)
 {
     this.SendPropertyChanging();
     entity.Extract = this;
 }
 partial void UpdateExtractError(ExtractError instance);
 partial void InsertExtractError(ExtractError instance);