namespace CreateXMLByLINQ
{
    public partial class Frm_Main : Form
    {
        public Frm_Main()
        {
            InitializeComponent();
        }

        static string strPath = "Employee.xml";

        //創建XML文件
        private void button1_Click(object sender, EventArgs e)
        {
            XDocument doc = new XDocument(//創建XML文檔對象
                new XDeclaration("1.0", "utf-8", "yes"),//添加XML文件聲明
                new XElement(textBox1.Text,//創建XML元素
                    new XElement(textBox2.Text, new XAttribute(textBox3.Text, textBox10.Text),//為XML元素添加屬性
                        new XElement(textBox4.Text, textBox5.Text),
                        new XElement(textBox6.Text, textBox7.Text),
                        new XElement(textBox8.Text, textBox9.Text))
                    )
                );
            doc.Save(strPath);//保存XML文檔
            MessageBox.Show("XML文件創建成功");
        }
    }
}

<?xml version="1.0" encoding="UTF-8" standalone="true"?>
-<Peoples> -<People ID="001"> <Name>123</Name> <Sex>123</Sex> <Salary>123</Salary> </People> </Peoples>