.net修改XML数据

XML code

<?xml version="1.0" encoding="utf-8"?><Rules>  <Node 转换率="1" /></Rules>

前台有个txtConversion和btnOK按钮，怎么修改啊

[解决办法]
XElement root = XElement.Load("Data.xml");
root.Element("Node ").ReplaceAttributes("转换率", "要替换的值");
[解决办法]

探讨

XElement root = XElement.Load("Data.xml");
root.Element("Node ").ReplaceAttributes("转换率", "要替换的值");

[解决办法]

C# code

                XmlDocument xmldoc = new XmlDocument();                xmldoc.Load("***.xml");                XmlNode root = xmldoc.SelectSingleNode("Rules");                ((XmlElement)root.SelectSingleNode("Node")).SetAttribute("转换率", "1");                xmldoc.Save("***.xml");