NKB系统技术资源

http://www.java2s.com/Code/Flash-Flex-ActionScript/XML/Addinganewchildafterallexistingchildren.htm

http://lujinan858.iteye.com/blog/553846

http://download.csdn.net/source/2665126

http://visudemos.ilog.com/tourdeflex/blackgauges/blackgauges.html

http://bbs.airia.cn/thread-4025-1-1.html

http://code.google.com/p/flexspreadsheet/