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/context/ViewerAttributeBean.java
tempName = (String) varValue;
						}
						
						else if ( ( displayTextParam = ParameterAccessor
								.isDisplayText( varName ) ) != null )
						{
							tempName = displayTextParam;
						}
						
						paramName = getParameterName( tempName, parameterList );
						ParameterDefinition parameter = BirtUtility
								.findParameterDefinition( parameterList,
										paramName );
						if ( parameter != null )
						{
							
							String typeVarName = tempName
									+ "_" + IBirtConstants.PROP_TYPE + "_"; 
							ConfigVariable typeVar = handle
									.findConfigVariable( typeVarName );
							
							String dataType = ParameterDataTypeConverter
									.ConvertDataType( parameter.getDataType( ) );
							String cachedDateType = null;
							if ( typeVar != null )
								cachedDateType = typeVar.getValue( );
							
							if ( cachedDateType == null
									|| !cachedDateType
											.equalsIgnoreCase( dataType ) )