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
{
			update2ValueStatus( );
		}
		updatePreview( );
		updateButtons( );
		return composite;
	}
	private void update2ValueStatus( )
	{
		String value = getValueForOperator( operator.getText( ) );
		valueVisible = determineValueVisible( value );
		if ( valueVisible == 3 )
		{
			int ret = createValueListComposite( operator.getParent( ) );
			if(ret != 0)
			{
				if ( handle != null )
				{
					valueList = new ArrayList( handle.getValue1List( ) );
				}
				tableViewer.setInput( valueList );
			}
		}
		else
		{
			int ret = create2ValueComposite( operator.getParent( ) );
			if (ret != 0 && handle != null )
			{
				expressionValue1.setText( DEUtil.resolveNull( handle.getValue1( ) ) );
				expressionValue2.setText( DEUtil.resolveNull( handle.getValue2( ) ) );