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
* 
	 * @param obj
	 * @param methodName
	 * @param cssAttr
	 * @return
	 */
	private static String getStyle( Object obj, String methodName,
			String cssAttr )
	{
		assert obj != null;
		assert methodName != null;
		assert cssAttr != null;
		String style = invokeGetStyle( obj, methodName );
		if ( style == null || NONE.equalsIgnoreCase( style ) )
			return ""; 
		return cssAttr + ":" + style + ";"; 
	}
	/**
	 * Invoke GET method
	 * 
	 * @param obj
	 * @param methodName
	 * @return
	 */
	private static String invokeGetStyle( Object obj, String methodName )
	{
		String style = null;
		try
		{
			Method method = IScriptStyle.class.getMethod( methodName,