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
}
		}
	}
	private Listener popBtnSelectionListener = new Listener( ) {
		public void handleEvent( Event event )
		{
			Widget widget = event.widget;
			assert ( widget instanceof Combo );
			popBtnSelectionAction( (Combo) widget );
		}
	};
	protected Listener expValueVerifyListener = new Listener( ) {
		public void handleEvent( Event event )
		{
			
			Combo thisCombo = (Combo) event.widget;
			String text = event.text;
			if ( text != null && thisCombo.indexOf( text ) >= 0 )
			{
				event.doit = false;
			}
			else
			{
				event.doit = true;
			}
		}
	};
	private Composite createTitleArea( Composite parent )
	{
		int heightMargins = 3;