c#访问xml文件中遍历指定节点名的要素

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<?xml version="1.0" ?>
- <ROWDATA>
- <ROW>
<FQBH>01</FQBH>
<FQNM>河南</FQNM>
<VHGT>34031.600</VHGT>
<FQBD>113.61 34.864500,113.61 35.01,113.950316 35.108349,113.950316 34.847770,113.61 34.864500</FQBD>
</ROW>
- <ROW>
<FQBH>02</FQBH>
<FQNM>河北</FQNM>
<VHGT>40829.900</VHGT>

c#访问上述数据中FQBD中元素的值：代码如下

  ArrayList pArrayList = new ArrayList();
            string path=@"D:\VisualStudio2010\Projects\coordInfo.XML";
            XmlDocument appSetting = new XmlDocument();
            appSetting.Load(path);
            XmlNode pXmlNode = appSetting.DocumentElement;
            foreach(XmlNode p in pXmlNode)
            {
                if (p.Name == "ROW")
                {
                    XmlNodeList pXmlNodeList=p.ChildNodes;
                    foreach(XmlNode p2 in pXmlNodeList)

{

                       if (p2.Name == "FQBD")
                        {
                            pArrayList.Add(p2.InnerText);
                        }
                    }
                }
            }