Bug 167210 No change in 'TOC Item Expression' after select a group row[0001]
Description: No change in 'TOC Item Expression' after select a group row[0001] Build number: 2.2.0.v20061208-1310 Steps to reproduce: 1, Drag a dataset into layout 2, Select the table and insert a group on it. 3, In New Group, select a row as group row 4, Check the 'TOC Item Expression' Expected result: The row["XXXX"] in 'TOC Item Expression' after selecting 'Group On' Actual result: There is still blank in 'TOC Item Expression' Error log:
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/GroupDialog.java
sortingGroupComposite.setLayout( new GridLayout( ) );
		ascending = new Button( sortingGroupComposite, SWT.RADIO );
		ascending.setText( sortByAscending.getDisplayName( ) );
		descending = new Button( sortingGroupComposite, SWT.RADIO );
		descending.setText( sortByDescending.getDisplayName( ) );
		Group pagebreakGroup = new Group( composite, SWT.NONE );
		pagebreakGroup.setText( Messages.getString( "GroupDialog.PageBreak" ) ); 
		pagebreakGroup.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		GridLayout layout = new GridLayout( );
		layout.numColumns = 3;
		pagebreakGroup.setLayout( layout );
		new Label( pagebreakGroup, SWT.NONE ).setText( Messages.getString( "GroupDialog.PageBreakBefore" ) ); 
		pagebreakBeforeCombo = new Combo( pagebreakGroup, SWT.READ_ONLY
				| SWT.DROP_DOWN );
		for ( int i = 0; i < pagebreakBeforeChoicesAll.length; i++ )
		{
			pagebreakBeforeCombo.add( pagebreakBeforeChoicesAll[i].getDisplayName( ) );
		}
		pagebreakBeforeCombo.setLayoutData( new GridData(GridData.FILL_HORIZONTAL) );
		WidgetUtil.createGridPlaceholder( pagebreakGroup, 1, true );
		pagebreakBeforeCombo.setData( pagebreakBeforeChoicesAll );
		new Label( pagebreakGroup, SWT.NONE ).setText( Messages.getString( "GroupDialog.PageBreakAfter" ) ); 
		pagebreakAfterCombo = new Combo( pagebreakGroup, SWT.READ_ONLY
				| SWT.DROP_DOWN );
		for ( int i = 0; i < pagebreakAfterChoicesAll.length; i++ )
		{
			pagebreakAfterCombo.add( pagebreakAfterChoicesAll[i].getDisplayName( ) );
		}
		pagebreakAfterCombo.setData( pagebreakAfterChoicesAll );
		pagebreakAfterCombo.setLayoutData( new GridData(GridData.FILL_HORIZONTAL) );