读取c#文件

xml格式
<Person>
<Student StuID="11">
<StuName>张三</StuName>
</Student >
<Student StuID="22">
<StuName>历史</StuName>
</Student >
</Person>

 XmlDocument doc = new XmlDocument();
            doc.Load(@"C:\temp\a.xml");
            XmlNodeList students = doc.DocumentElement.ChildNodes; //Student节点集合
            foreach (XmlNode stu in students)
            {
                XmlElement element = (XmlElement)stu;
                string stuId = element.GetAttribute("StuID");
                XmlNode nameNode = element.SelectSingleNode("StuName");
                string name = nameNode.InnerText;
                Console.WriteLine(stuId+","+name);

            }

生成xml文档

      public static void Test() 
        {
            XmlDocument doc = new XmlDocument();
            XmlElement ePersons = doc.CreateElement("Persons");
            doc.AppendChild(ePersons);
            foreach (Person person in ePersons)
            {
                XmlElement epPerson = doc.CreateElement("Person");
                epPerson.SetAttribute("id",person.Age.ToString());
                XmlElement eName = doc.CreateElement("Name");
                eName.InnerText = person.Name;
                XmlElement eAge = doc.CreateElement("Age");
                eAge.InnerText = person.Age.ToString();
                epPerson.AppendChild(eName);
                epPerson.AppendChild(eAge);
                ePersons.AppendChild(epPerson);
            }
            doc.Save("c:/temp/1.xml");
        }