using System;

using System.Net.Http;

using DalSoft.RestClient;

​

public class Program

{

    public static void Main()

    {

        dynamic client = new RestClient("https://httpstat.us/500");

        var response = client.Get().Result; 

        var httpResponseMessage = response.HttpResponseMessage; 

        if (httpResponseMessage.IsSuccessStatusCode)

            Console.WriteLine("Success");       

        else

            Console.WriteLine("Failure by checking IsSuccessStatusCode");

        try

        {

            httpResponseMessage.EnsureSuccessStatusCode();

            Console.WriteLine("Success");   

        }

        catch (HttpRequestException)

        {

            Console.WriteLine("Exception thrown by EnsureSuccessStatusCode()");

        }

    }

}