protected void Button1_Click(object sender, EventArgs e)//創建xml
{
//聲明
XmlDocument x = new XmlDocument();
//創建
XmlDeclaration xd = x.CreateXmlDeclaration("1.0", "GB2312", null);
x.AppendChild(xd);
//創建根節點
XmlElement element = x.CreateElement("Books");
x.AppendChild(element);
//添加Books的子節點
XmlNode book = x.CreateElement("Book");
//給Book添加元素
XmlElement bookname = x.CreateElement("書名");
bookname.InnerText = "三國";
//逐級添加到節點上
book.AppendChild(bookname);
element.AppendChild(book);
x.AppendChild(element);
//保存文檔（如果已經存在該文件，則更新之；如果沒有，則創建該文件）
x.Save(@"F:/Books.xml");

}