newDialog为什么传递不了数据!SOS!

Microsoft Windows XP [版本 5.1.2600]
(C) 版权所有 1985-2001 Microsoft Corp.C:\Documents and Settings\wo>e:E:\>cd editjavaE:\editjava>java ZSedit
java.lang.NullPointerException
        at ZSedit.actionPerformed(ZSedit.java:279)
        at java.awt.Button.processActionEvent(Unknown Source)
        at java.awt.Button.processEvent(Unknown Source)
        at java.awt.Component.dispatchEventImpl(Unknown Source)
        at java.awt.Component.dispatchEvent(Unknown Source)
        at java.awt.EventQueue.dispatchEvent(Unknown Source)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)        at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.run(Unknown Source)
//请问大虾 这是报什么错!!