Bug 207825 Crosstab gives wrong default for Totals on Count
xtab/org.eclipse.birt.report.item.crosstab.core/src/org/eclipse/birt/report/item/crosstab/core/de/internal/CrosstabModelUtil.java
DataItemHandle dataItem = crosstab.getModuleHandle( )
					.getElementFactory( )
					.newDataItem( null );
			dataItem.setResultSetColumn( columnHandle.getName( ) );
			cell.addContent( dataItem );
		}
	}
	/**
	 * Generates an meaningful and unique computed column name for a measure
	 * aggregation.
	 * 
	 * @param measureView
	 * @param aggregationOnColumn
	 * @param aggregationOnRow
	 * @return
	 */
	public static String generateComputedColumnName(
			MeasureViewHandle measureView, String aggregationOnColumn,
			String aggregationOnRow )
	{
		String name = ""; 
		String temp = measureView.getCubeMeasureName( );
		if ( temp != null && temp.length( ) > 0 )
			name = name + temp;
		if ( aggregationOnRow != null && aggregationOnRow.length( ) > 0 )
		{
			if ( name.length( ) > 0 )
			{
				name = name + "_" + aggregationOnRow;