public static string GetPostCode(string postcode)
    {
        Postcode p = new Postcode();

        Postcode returnP = p.GetLatLng(postcode);

        if (returnP != null)
        {
            return(string.Format("{0},{1}", returnP.Lat, returnP.Lng));
        }
        else
        {
            return(string.Format("{0} not Found", postcode));
        }
    }