Bug 203909 If a parameter have no default value, the value of parameter in computed column should not be "null"[07]
Description: If a parameter have no default value, the value of parameter in computed column should not be "null"[07] Build number: 2.2.1.v20070918-0630 Steps to reproduce: 1, New a String type parameter and left the default value empty 2, New a Dataset and new a computed column 3, Specify the expression to params["parameterName"] 4, Preview in dataset Expected result: The value should not be "null" but blank Actual result: The value of computed column is "null"
data/org.eclipse.birt.report.data.adapter/src/org/eclipse/birt/report/data/adapter/api/script/DataAdapterTopLevelScope.java
/*
 *************************************************************************
 * Copyright (c) 2006 Actuate Corporation.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *  Actuate Corporation  - initial API and implementation
 *  
 *************************************************************************
 */ 
package org.eclipse.birt.report.data.adapter.api.script;
import java.lang.reflect.InvocationTargetException;
import java.math.BigDecimal;
import java.util.Date;