C# 读取与修改xml一个节点的值

XML文件如下：

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<?xml version="1.0" encoding="utf-8"?>

<root>

<transDate>2014-12-18</transDate>

</root>

C#读取与修改

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string xmlpath = System.AppDomain.CurrentDomain.BaseDirectory + "config.xml";

XmlDocument doc = new XmlDocument();

doc.Load(xmlpath);

XmlNode xn = doc.SelectSingleNode("//transDate");

string transDate = xn.InnerText;

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xn.InnerText = value;

doc.Save(xmlpath);