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
*            the input options
	 * @return the report design name if the request contains a valid name,
	 *         otherwise null
	 */
	private String getReportDesignName( InputOptions options )
	{
		String reportDesignName = null;
		if ( options != null )
		{
			HttpServletRequest request = (HttpServletRequest) options
					.getOption( InputOptions.OPT_REQUEST );
			if ( request != null )
			{
				ViewerAttributeBean attrBean = (ViewerAttributeBean) request
						.getAttribute( "attributeBean" ); 
				assert attrBean != null;
				reportDesignName = attrBean.getReportDesignName( );
				if ( reportDesignName != null )
				{
					
					
					if ( reportDesignName.endsWith( "\\" ) || reportDesignName.endsWith( "/" ) )
						reportDesignName = null;
				}
			}
		}
		return reportDesignName;
	}
}