Bug 201236 Issue about Allow multiple and duplicate values in Layout preview[0705]
Description: Issue about Allow multiple and duplicate values in Layout preview Build number:2.2.1.v20070827 Steps to reproduce: 1. New sample data source and dataset from CUSTOMERS. 2. New a parameter p1, listbox, dynamic, value field COUNTRY, tick on allow duplicate value, tick on allow multiple values. 3. Insert a data item to Layout, set expression as var values=""; for (i=0;i<params["p1"].value.length;i++) values=values+params["p1"].value[i]+"."; values; 4. In Layout, click Preview and select France. Expected result: Display one France. Actual result: Display several France. I tried the same action but preview in Web viewer and extenal html, the result is only one France. Error log:n/a
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/taglib/ParamDefTag.java
if ( isNullValue )
				writer.write( " name=\"" 
						+ ParameterAccessor.PARAM_ISNULL + "\"" ); 
			writer.write( " >\n" ); 
			writer
					.write( "<input type=\"radio\" id=\"" + radioTextValueId + "\" " ); 
			writer.write( " onclick=\"switchParam" + encParamId + "( true )\"" ); 
			if ( !isNullValue )
				writer.write( " checked " ); 
			writer.write( " >\n" ); 
			writer.write( "<input type=\"" + controlType + "\" " ); 
			writer.write( " id=\"" + encParamId + "\" " ); 
			__handleGeneralDefinition( );
			writer
					.write( " value=\"" + ParameterAccessor.htmlEncode( this.displayTextString ) + "\" " );  
			writer.write( " onchange=\"handleParam" + encParamId + "( )\"" ); 
			if ( isNullValue )
				writer.write( " disabled = 'true' " ); 
			writer.write( " >\n" ); 
			writer
					.write( "<input type=\"radio\" id=\"" + radioNullValueId + "\" " ); 
			writer
					.write( " onclick=\"switchParam" + encParamId + "( false )\"" ); 
			if ( isNullValue )
				writer.write( " checked " ); 
			writer.write( " >" ); 
			writer
					.write( "<label id=\"" + ( radioNullValueId + "_label" ) + "\"" ); 
			writer.write( " title=\"" + IBirtConstants.NULL_VALUE + "\"" ); 
			writer.write( " for=\"" + radioNullValueId + "\">" );