bindData( expressionEvaluator, null, chart, rtc );
SqlDataRowEvaluator rowEvaluator = new SqlDataRowEvaluator( resultSet ); bindData( rowEvaluator, chart, rtc );
	public void bindData( IDataRowExpressionEvaluator expressionEvaluator,			Chart chart, RunTimeContext rtc ) throws ChartException	{		bindData( expressionEvaluator, null, chart, rtc );	}