<span style="font-family:Microsoft YaHei;font-size:18px;">            StringBuilder str = new StringBuilder();
            
            XmlDocument document = new XmlDocument();
            
            document.Load("List1.xml");
            XmlNodeList nodelist = document.GetElementsByTagName("person");
            foreach (XmlNode item in nodelist)
            {
                str.Append(item.FirstChild.InnerText.ToString());
                str.Append("   ");
            }
            textBox1.Text = str.ToString ();</span>