How can I implement JSON file into a drop down list for countries in a validation form?

I tried with this code, but it doesn’t seem to work.

public ActionResult Getcountries()
{
    var webClient = new WebClient();
    var json = webClient.DownloadString(@"C:UserskristijanmsourcereposcontactFormcontactFormdataCountries.json");
    var CountryL = JsonConvert.DeserializeObject<CountriesModel>(json);
    return View(CountryL);
}

Here is my Model:

 public class CountriesModel
    {
        public int Id { get; set; }
        public string Code { get; set; }
        public string Name { get; set; }

    }
}