Bug 201526 Mutil parameter value will show the mutil value[0705]
Description: Mutil parameter value will show the mutil value[0705] Step: 1. New a list parameter and select allow multiple value 2. Add some value in it. 3. Drop the parameter in layout( param["NewParameter1"] ). 4. Preview and select several value. Actual result: It will preview a object string. Expected result: The value that is selected will be previewed.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/presentation/LocalizedContentVisitor.java
else
			{
				if ( rsets != null )
				{
					rowSets = new IRowSet[1];
					rowSets[0] = new SingleRowSet( context,
							(IQueryResultSet) rsets[0] );
				}
			}
			try
			{
				Object output = itemPresentation.onRowSets( rowSets );
				if ( output != null )
				{
					int type = itemPresentation.getOutputType( );
					String imageMIMEType = itemPresentation.getImageMIMEType( );
					generatedContent = processExtendedContent( content, type, output, imageMIMEType );
				}
				else
				{
					generatedContent = null;
				}
				itemPresentation.finish( );
			}
			catch ( BirtException ex )
			{
				context.addException( design.getHandle( ), ex );
				logger.log( Level.SEVERE, ex.getMessage( ), ex );
			}
		}