//字符串
string result = "<?xml version=\"1.0\" encoding=\"utf-8\"?><speed><is_success>T</is_success><response><protocol><partner>123456</partner><sign>123456</sign><sign_type>md5</sign_type><timestamp>20090707122322</timestamp><version>1.0</version></protocol></response></speed>";
//转换格式
var xdoc = new XmlDocument();
//解析一个 XML
//解析xml字符串
xdoc.LoadXml(result);
//解析xml文件
//xml.Load("文件路径");
XmlNodeList xmlList = xmlNode.ChildNodes;//获取节点
//循环节点
foreach (XmlElement item in xmlList)
{
info.Add(item.Name, item.InnerText);
}
}