c#操作xml文件

using System; using System.Collections.Generic; using System.Data; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Xml;

namespace delegatedemo { public class XmlClass { private string xmlPath; public XmlClass(string xmlPath) { this.xmlPath = xmlPath; }

public DataView GetXmlElement() { DataTable myTable = new DataTable(); DataRow myRow; myTable.Columns.Add(“学号”); myTable.Columns.Add(“姓名”); myTable.Columns.Add(“年龄”); myTable.Columns.Add(“性别”); XmlDocument doc = new XmlDocument(); doc.Load(xmlPath); XmlElement xmlElement = doc.DocumentElement; foreach (XmlNode node in xmlElement.ChildNodes) { string number = node.Attributes[“number”].Value; string age = node.SelectSingleNode(“Age”).InnerText; string name = node.SelectSingleNode(“Name”).InnerText; string sex = node.SelectSingleNode(“Sex”).InnerText; myRow = myTable.NewRow(); myRow[“学号”] = number; myRow[“姓名”] = name; myRow[“性别”] = sex; myRow[“年龄”] = age; myTable.Rows.Add(myRow); } return myTable.DefaultView; }

public void InsertXml() { XmlDocument doc = new XmlDocument(); doc.Load(xmlPath); XmlElement root = doc.DocumentElement; XmlElement student = doc.CreateElement(“student”); student.SetAttribute(“number”, “003”); XmlElement name = doc.CreateElement(“name”); name.InnerText = “张三”; XmlElement age = doc.CreateElement(“age”); age.InnerText = “21”; XmlElement sex = doc.CreateElement(“sex”); sex.InnerText = “女”; root.AppendChild(student); root.AppendChild(name); root.AppendChild(age); root.AppendChild(sex); doc.Save(xmlPath); } } }

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