Bug 122306 TOC on group won't be displayed
Description: TOC on group won't be displayed Steps to reproduce: 1.Add a sample datasource and a data with table "CUSTOMERS" 2.Add a table binding with data set 3.Add a group on the table and set the toc expression to "Group" 4.Preview in HTML Expected result: TOC "Group" will be displayed on the TOC pane Actual result: Nothing in the TOC pane
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/data/dte/ReportQueryBuilder.java
addExpression( item.getOnCreate( ) );
			
			handleHighlightExpressions( item.getHighlight( ) );
			handleMapExpressions( item.getMap( ) );
			handleNamedExpressions ( item.getNamedExpressions( ) );
		}
		
		/**
		 * handle named expression
		 * @param namedExpressions a map of of named expression
		 */
		protected void handleNamedExpressions( Map namedExpressions )
		{
			Collection exprs = namedExpressions.values();
			Iterator exprIter = exprs.iterator();
			while( exprIter.hasNext( ) )
			{
				addExpression( (Expression)exprIter.next() );
			}
		}
		
		/**
		 * @param band
		 *            the list band
		 */
		protected void visitListBand( ListBandDesign band, Object value )
		{
			for ( int i = 0; i < band.getContentCount( ); i++ )
			{
				band.getContent( i ).accept( this, value );