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 ();

 XDocument document = XDocument.Load("List1.xml"); XElement rootElement = document.Root; IEnumerable ie = rootElement.Descendants("person").Where(x => Convert.ToInt32(x.Attribute("id").Value) > 1); foreach (var item in ie) { textBox1.Text += item.Attribute("id").Value+"\t"; }