1.創建簡單的XML文件
為了便于測試,我們首先創建控制臺應用程序,項目命名為CreateXml,Program.cs代碼如下:
namespace CreateXml
{
    class Program
    {
        static void Main(string[] args)
        {
            Program app = new Program();
            app.CreateXmlFile();          
        }
        public void CreateXmlFile()
        {
            XmlDocument xmlDoc = new XmlDocument();
            //創建類型聲明節點
            XmlNode node=xmlDoc.CreateXmlDeclaration("1.0","utf-8","");
            xmlDoc.AppendChild(node);
            //創建根節點
            XmlNode root = xmlDoc.CreateElement("User");
            xmlDoc.AppendChild(root);
            CreateNode(xmlDoc, root, "name", "xuwei");
            CreateNode(xmlDoc, root, "sex", "male");
            CreateNode(xmlDoc, root, "age", "25");
            try
            {
                xmlDoc.Save("c://data2.xml");
            }
            catch (Exception e)
            {
                //顯示錯誤信息
                Console.WriteLine(e.Message);
            }
            //Console.ReadLine();
}
        /// <summary>  
        /// 創建節點  
        /// </summary>  
        /// <param name="xmldoc"></param>  xml文檔
        /// <param name="parentnode"></param>父節點  
        /// <param name="name"></param>  節點名
        /// <param name="value"></param>  節點值
        /// 
        public void CreateNode(XmlDocument xmlDoc,XmlNode parentNode,string name,string value)
        {
            XmlNode node = xmlDoc.CreateNode(XmlNodeType.Element, name, null);
            node.InnerText = value;
            parentNode.AppendChild(node);
        }
    }  
}
            XmlNode node2 = xmlDoc.CreateNode(XmlNodeType.Element, "User", null);
            CreateNode(xmlDoc, node2, "name", "xiaolai");
            CreateNode(xmlDoc, node2, "sex", "female");
            CreateNode(xmlDoc, node2, "age", "23");
            root.AppendChild(node2);
            try
            {
                xmlDoc.Save("c://data5.xml");
            }
            catch (Exception e)
            {
                //顯示錯誤信息
                Console.WriteLine(e.Message);
            }
            //Console.ReadLine();
        }
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