restshart consume rest json api

restsharpconsumejsonapi.cs

static void SerializeRestSharp(string resourceUrl)
{
    var client = new RestClient("https://www.idx.co.id");
    client.AddDefaultHeader(HttpRequestHeader.ContentType.ToString(), "application/json");
    var req = new RestRequest(resourceUrl, Method.GET);
    var res = client.ExecuteAsGet(req, Method.GET.ToString());//, res =>
    if (res.IsSuccessful)
    {
        var listingdata = JsonConvert.DeserializeObject<ListingData>((string)JToken.Parse(res.Content));
        System.Console.WriteLine("{0}-{1}", listingdata.Activities[0].KodeEmiten, listingdata.Activities[0].NamaEmiten);
    }
    else
        System.Console.WriteLine(res.StatusCode);

}