initSave( false );
	public void saveExprValue( int currIndex, Map valueMap )			throws DataException	{		try		{			saveNullRowsBetween( lastRowIndex, currIndex );						int rowBytes = saveExprValue( valueMap );			IOUtil.writeInt( this.rowLenDos, currentOffset );			currentOffset += rowBytes;			lastRowIndex = currIndex;		}		catch ( IOException e )		{			throw new DataException( ResourceConstants.RD_SAVE_ERROR,					e,					"Result Data" );		}	}