Bug 138828 Export data column are disordered
Steps to reproduce: 1.Add a sample data source and a data set with table "CUSTOMERS" 2.Preview in Web Viewer 3.Click "Export data", choose columns "CUSTOMERNAME","PHONE","CITY","STATE" to be exported, click "OK" Expected result: The exported columns is alphabetic order or the same order as selected columns Actual result: The exported columns is disordered. they are "STATE","CITY","CUSTOMERNAME","PHONE".
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/BirtViewerReportService.java
}
	public Object getParameterDefaultValue( IViewerReportDesignHandle design,
			String parameterName, InputOptions options )
			throws ReportServiceException
	{
		try
		{
			IGetParameterDefinitionTask task = getParameterDefinitionTask( design
					.getFileName( ) );
			return task.getDefaultValue( parameterName );
		}
		catch ( EngineException e )
		{
			throw new ReportServiceException( e.getLocalizedMessage( ) );
		}
	}
	public Collection getParameterHandles( IViewerReportDesignHandle design,
			InputOptions options ) throws ReportServiceException
	{
		try
		{
			IGetParameterDefinitionTask parameterTask = getParameterDefinitionTask( design
					.getFileName( ) );
			if ( parameterTask == null )
				throw new ReportServiceException( "Can not get parameter task." ); 
			return parameterTask.getParameters( ).getContents( );
		}
		catch ( EngineException e )
		{
			throw new ReportServiceException( e.getLocalizedMessage( ) );