c# xml

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Xml;

namespace WindowsFormsApp1
{
    /*
    XmlDocument midocxml = new XmlDocument();
    midocxml.Load(@"c:\milista.xml");

            XmlNodeList personas = midocxml.GetElementsByTagName("personas");
    XmlNodeList lista = ((XmlElement)personas[0]).GetElementsByTagName("persona");
            foreach (XmlElement nodo in lista)
            XmlNodeList nNombre = nodo.GetElementsByTagName("nombre");
    XmlNodeList nApellido1 = nodo.GetElementsByTagName("apellido1");
    XmlNodeList nApellido2 = nodo.GetElementsByTagName("apellido2");
    XmlNodeList nTelefono = nodo.GetElementsByTagName("telefono");
    XmlNodeList nEmail = nodo.GetElementsByTagName("email");
    */

    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            XmlDocument XmlDocument = new XmlDocument();
            object midocxml = null;
            midocxml.Load("milista.xml");

            XmlNodeList personas = midocxml.GetElementsByTagName("personas");
            XmlNodeList lista = ((XmlElement)personas[0]).GetElementsByTagName("persona");
            foreach (XmlElement nodo in lista)
                XmlNodeList nNombre = nodo.GetElementsByTagName("nombre");
            XmlNodeList nApellido1 = nodo.GetElementsByTagName("apellido1");
            XmlNodeList nApellido2 = nodo.GetElementsByTagName("apellido2");
            XmlNodeList nTelefono = nodo.GetElementsByTagName("telefono");
            XmlNodeList nEmail = nodo.GetElementsByTagName("email");

        }
    }
}