Bug 188596 Some parameter value cannot be passed to report through URL[0002]
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/presentation/aggregation/parameter/ComboBoxParameterFragment.java
options.setOption( InputOptions.OPT_REQUEST, request );
		Collection selectionList = null;
		ParameterDefinition paramDef = parameterBean.getParameter( );
		if ( paramDef.getGroup( ) != null && paramDef.getGroup( ).cascade( ) )
		{
			
			Map paramValues = attrBean.getParameters( );
			selectionList = getParameterSelectionListForCascadingGroup(
					attrBean.getReportDesignHandle( request ), service,
					paramValues, options );
			
			parameterBean.setCascade( true );
		}
		else
		{
			
			selectionList = service.getParameterSelectionList( attrBean
					.getReportDesignHandle( request ), options, parameter
					.getName( ) );
			
			parameterBean.setCascade( false );
		}
		parameterBean.setValueInList( false );
		if ( selectionList != null )
		{
			boolean isDisplayTextInList = false;
			for ( Iterator iter = selectionList.iterator( ); iter.hasNext( ); )
			{
				ParameterSelectionChoice selectionItem = (ParameterSelectionChoice) iter
						.next( );