Bug 201235 Display text from multi-select parameter is wrong.[0705][0002]
Description: Display text from multi-select parameter is wrong. Build number:2.2.1.v20070827 Steps to reproduce: 1. 1. New a report parameter p1, listbox. 2. Add values like DisplayText/Value v1/1 v2/2. 3. Insert a data item to Layout, Input expression as params["p1"].displayText[0] 4. Preview and select one value, click OK. Expected result: For multi-select parameter, return null for display text or some correct value. Actual result: Display "v" Error log:n/a
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/BirtUtility.java
{
			ParameterDefinition parameter = (ParameterDefinition) iter.next( );
			String parameterName = parameter.getName( );
			Object parameterValue = parameters.get( parameterName );
			
			if ( parameter.isHidden( ) || !parameter.isRequired( ) )
			{
				continue;
			}
			
			if ( parameterValue == null )
			{
				missingParameter = true;
				break;
			}
			if ( parameterValue instanceof List )
			{
				
				List values = (List) parameterValue;
				for ( int i = 0; i < values.size( ); i++ )
				{
					Object value = values.get( i );
					if ( value == null )
					{
						missingParameter = true;
						break;
					}
					if ( value instanceof String
							&& ( (String) value ).length( ) <= 0 )
					{