Bug 209126 DataException throws out when set highlight condition in sub-report[0302]
Description: Set highlight condition in sub-report, when "select value..." in the highlight dialog, DataException throws out. Build version:2.3.0.v20071108-0800 Steps to reproduce: 1.Get the attached report design file, which contains a sub-report. 2.Select the inner table, and then go to "highlight" tab in the property editor view to set a highlight rule. When click "select value...", DataException throws out. Error: The expression's value can not be retrieved. An error happened in data type conversion. Can not convert the value of org.eclipse.birt.data.engine.script.DataExceptionMocker@79c17b to Integer type.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/HighlightRuleBuilder.java
bindingName ) );
			session.shutdown( );
		}
		else
		{
			ExceptionHandler.openErrorMessageBox( Messages.getString( "SelectValueDialog.errorRetrievinglist" ), Messages.getString( "SelectValueDialog.noExpressionSet" ) ); 
		}
		return selectValueList;
	}
	protected void popBtnSelectionAction( Combo comboWidget )
	{
		int selectionIndex = comboWidget.getSelectionIndex( );
		if ( selectionIndex < 0 )
		{
			return;
		}
		String value = comboWidget.getItem( selectionIndex );
		for ( Iterator iter = columnList.iterator( ); iter.hasNext( ); )
		{
			String columnName = ( (ComputedColumnHandle) ( iter.next( ) ) ).getName( );
			if ( DEUtil.getColumnExpression( columnName )
					.equals( expression.getText( ) ) )
			{
				bindingName = columnName;
				break;
			}
		}
		if ( value != null )
		{
			String newValue = null;