Replace Element with XDocument Instead of XmlDocument

Using XDocument, how could the following code be rewritten? This code replaces the element values with strValues. The element is specified by strKeys and strXPath = "/root/node/subnode[param1='value1' and param2='value2']".

    public static void ReplaceXmlElement(string strXPath, stri开发者_StackOverflow中文版ng[] strKeys, string[] strValues)
    {
        XmlDocument xDoc = new XmlDocument();
        xDoc.Load(xmlFile.xml);
        XmlNode xNode = xDoc.SelectSingleNode(strXPath);
        int intTemp = 0;
        foreach (XmlNode node in xNode)
        {
            node.Name.ToString();
            if (node.Name == strKeys[intTemp])
            {
                node.InnerXml = strValues[intTemp];
                intTemp++;
            }
        }
        xDoc.Save(xmlFile.xml);
    }

http://msdn.microsoft.com/en-us/library/bb156083.aspx

XElement root = new XElement("Root",
new XElement("Child1", 1),
new XElement("Child2", 2),
new XElement("Child3", 3),
new XElement("Child4", 4),
new XElement("Child5", 5),
new XElement("Child6", 6)
);

XElement el = root.XPathSelectElement("./Child4");