public void Delete(Wave record) { var row = this.GetRowByRowId(record.rowID, string.Empty); if (row == null) { row = this.dataSet.ttblwave.NewttblwaveRow(); Wave.BuildMinimalRow(ref row, record); this.dataSet.ttblwave.AddttblwaveRow((pdswaveDataSet.ttblwaveRow)row); } row.Delete(); this.SaveChanges(); }