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<?xml version="1.0" encoding="utf-8" ?><studentList>  <student>    <name>張三</name>    <sex>男</sex>    <old>20</old>  </student>  <student>    <name>李四</name>    <sex>女</sex>    <old>21</old>  </student></studentList>

<?xml version="1.0" encoding="utf-8" ?><studentList>  <student>    <name id="1">張三</name>    <sex id="11">男</sex>    <old id="111">20</old>  </student>  <student>    <name id="2">李四</name>    <sex id="22">女</sex>    <old id="222">21</old>  </student></studentList>

 //xml文件路徑 string xmlPath = Application.StartupPath + "\\Student.xml";//不帶屬性 string xmlPaths = Application.StartupPath + "\\Students.xml";//帶屬性 //dataset讀取簡(jiǎn)單xml文件 DataSet ds = new DataSet(); ds.ReadXml(xmlPath);//讀取第一條數據的name節點(diǎn) string name = ds.Tables[0].Rows[0]["name"].ToString(); //輸出：張三 Console.WriteLine(name);

 //dataset讀取帶屬性的xml文件 ds = new DataSet(); ds.ReadXml(xmlPaths); //讀取的節點(diǎn)名稱(chēng) string nodeName = "name"; name = ds.Tables[nodeName].Rows[0][nodeName+"_Text"].ToString(); //讀取節點(diǎn)的id屬性 string id = ds.Tables[nodeName].Rows[0]["id"].ToString(); //輸出：id:1,name:張三 Console.WriteLine("id:{0},name:{1}",id,name);

//需導入命名空間 using System.Xml;
//XmlDocument讀取xml文件 XmlDocument xmlDoc = new XmlDocument(); xmlDoc.Load(xmlPaths);  //獲取xml根節點(diǎn) XmlNode xmlRoot = xmlDoc.DocumentElement; //根據節點(diǎn)順序逐步讀取 //讀取第一個(gè)name節點(diǎn) name = xmlRoot.SelectSingleNode("student/name").InnerText;  //讀取節點(diǎn)的id屬性 id = xmlRoot.SelectSingleNode("student/name").Attributes["id"].InnerText; //輸出：id:1,name:張三 Console.WriteLine("id:{0},name:{1}", id, name);
 //讀取所有的name節點(diǎn) foreach (XmlNode node in xmlRoot.SelectNodes("student/name")) {     //循環(huán)輸出     Console.WriteLine("id:{0},name:{1}", node.Attributes["id"].InnerText, node.InnerText); }

//需導入命名空間 using Newtonsoft.Json;using Newtonsoft.Json.Linq;
 //XmlDocument讀取xml文件 xmlDoc = new XmlDocument(); xmlDoc.Load(xmlPaths); //轉換為json string json = JsonConvert.SerializeXmlNode(xmlDoc); //解析json JObject jobj = JObject.Parse(json); JArray jarr = JArray.Parse(jobj["studentList"]["student"].ToString()); //輸出：id:1,name:張三 Console.WriteLine("id:{0},name:{1}", jarr[0]["name"]["#text"], jarr[0]["name"]["@id"]);