Read XML file in mvc 4

Read XML File Using XDocument or XmlDocument

Controller Action

private XDocument ReadXML()
{
    XDocument xDoc = new XDocument();
    xDoc = XDocument.Load(HttpContext.Server.MapPath("~/App_Data/LocationsXML_Prod.XML"));
    return xDoc;
}

private XmlDocument ReadXMLDoc()
{
    XmlDocument xmldoc = new XmlDocument();
    xmldoc.Load(HttpContext.Server.MapPath("~/App_Data/LocationsXML_Prod.XML"));
    return xmldoc;
}

private void GetCountryList()
{
    IList<selectlistitem> _result = new List<selectlistitem>();
    XmlNodeList defaults = ReadXMLDoc().GetElementsByTagName("CountryOrRegion");

    foreach (XmlNode node in defaults)
    {
        _result.Add(new SelectListItem
        {
            Value = node.Attributes["Code"].InnerText,
            Text = node.Attributes["Name"].InnerText,
        });
    }

    ViewBag.Country = _result;
}

public JsonResult GetStateList(string countryCode)
{
    IList<selectlistitem> _result = new List<selectlistitem>();
    IEnumerable<xelement> defaults = ReadXML().Descendants("CountryOrRegion");

    var nodes = from e in defaults
                where e.Attribute("Code").Value.Equals(countryCode)
                from element in e.Elements()
                select element;

    foreach (var node in nodes)
    {
        _result.Add(new SelectListItem
        {
            Value = (string)node.Attribute("Code"),
            Text = (string)node.Attribute("Name"),
        });
    }

    return Json(_result, JsonRequestBehavior.AllowGet);
}