Bug 183307 JS error with cascading group in birt:paramDef tag.[0603]
Description: JS error with cascading group in birt:paramDef tag. Build number:2.2.0.v200704190630 Steps to reproduce: 1. New a report with cascading group from sample table OFFICES(COUNTRY, OFFICECODE). 2. New a jsp file with content: <birt:parameterPage id="0" name="custom param page" reportDesign="report.rptdesign" isCustom="true" pattern="frameset"> <birt:paramDef id="9" name="country" value="USA"/> <input type="submit" name="OK" value="submit"/> </birt:parameterPage> 3. Preview the jsp file. Expected result: Display Listbox/combobox with value "USA" as default. Actual result: JS error A runtime error is occurred Error log:N/A
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/taglib/ParamDefTag.java
.getParameterDefaultValue( viewer.getReportDesignHandle( ),
							param.getName( ), options );
			param.setValue( defaultValue );
		}
		
		this.valueString = DataUtil.getDisplayValue( param.getValue( ) );
		if ( this.valueString == null )
			this.valueString = ""; 
		
		this.displayTextString = param.getDisplayText( );
		if ( this.displayTextString == null )
			this.displayTextString = ParameterValidationUtil.getDisplayValue(
					dataType, this.pattern, param.getValue( ), locale );
		if ( this.displayTextString == null )
			this.displayTextString = ""; 
		
		if ( param.getTitle( ) == null )
			param.setTitle( this.displayTextString );
		
		requesterTag.addParameter( param.getName( ), param.getValue( ) );
		if ( paramDef.isHidden( ) )
		{
			
			__handleHidden( );
		}
		else
		{
			
			switch ( paramDef.getControlType( ) )
			{