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
new SortingHandleProvider( ) {
					public int[] getColumnWidths( )
					{
						return new int[]{
								200, 100
						};
					}
				},
				true );
		sortPage.setInput( list );
		sortItem.setText( TAB_SORTING );
		sortItem.setControl( sortPage );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.designer.internal.ui.dialogs.BaseDialog#initDialog()
	 */
	protected boolean initDialog( )
	{
		if ( inputGroup.getName( ) != null )
		{
			nameEditor.setText( inputGroup.getName( ) );
		}
		refreshColumnList( );
		setKeyExpression( inputGroup.getKeyExpr( ) );
		PropertyHandle property = inputGroup.getPropertyHandle( GroupElement.INTERVAL_RANGE_PROP );
		String range = property == null ? null : property.getStringValue( );
		intervalRange.setText( range == null ? "" : range ); 
		int index = getIntervalTypeIndex( inputGroup.getInterval( ) );