c# 创建XML文件

using  System.Xml;

using System.Xml.Schema;

private void button2_Click(object sender, EventArgs e)

        {
            XmlTextWriter xmlWriter = new XmlTextWriter("D:""my.xml", Encoding.Default);//创建一个xml文档
           xmlWriter.Formatting = Formatting.Indented;
           xmlWriter.WriteStartDocument();
           //写特殊项目，如XSL链接
           xmlWriter.WriteProcessingInstruction("xml-stylesheet", "type=""text/xsl"" href=""rss.xsl""");
           //写入根节点
           xmlWriter.WriteStartElement("根");
           //写入节点
           xmlWriter.WriteStartElement("日期");
           //写入内容
           xmlWriter.WriteString(System.DateTime.Now.Year+"-"+System.DateTime.Now.Month+"-"+System.DateTime.Now.Day);
           xmlWriter.WriteEndElement();
           xmlWriter.WriteEndElement();
           xmlWriter.Close();

        }