private void detach_GRWCHEMANALYSIs(GRWCHEMANALYSI entity)
		{
			this.SendPropertyChanging();
			entity.GRWCHEMSAMPLE = null;
		}
 partial void UpdateGRWCHEMANALYSI(GRWCHEMANALYSI instance);
 partial void DeleteGRWCHEMANALYSI(GRWCHEMANALYSI instance);
 partial void InsertGRWCHEMANALYSI(GRWCHEMANALYSI instance);