getting a 200 statue useing refresh token :  public async Task NewMethodAsync()
            {
                try
                {
                    HttpClient objClient = new HttpClient();

                    Uri requestUri = new Uri("https://approvalbotbeta.azurewebsites.net/api/token");
                    Dictionary<string, string> pairs = new Dictionary<string, string>();
                    var client_ID = "ca647d7796c548209cdda9ed004c38aa5248171708028004628";
                    var client_secret = "QXBwcm92YWxCb3RfVE9H7auiwc6RhE6ldS6WGsqWh2NhNjQ3ZDc3OTZjNTQ4MjA5Y2RkYTllZDAwNGMzOGFhNTI0ODE3MTcwODAyODAwNDYyOA==";

                    pairs.Add("grant_type", "client_credentials");
                    pairs.Add("reply_url", "http://localhost");
                    FormUrlEncodedContent httpContent = new FormUrlEncodedContent(pairs);
                    var encordedString = Convert.ToBase64String(System.Text.Encoding.UTF8.GetBytes(client_ID + ":" + client_secret));
                    
                    objClient.DefaultRequestHeaders.Add("Authorization", "Basic " + encordedString);

                    HttpResponseMessage respon = await objClient.PostAsync("https://approvalbotbeta.azurewebsites.net/api/token", httpContent);
                    if (respon.IsSuccessStatusCode)
                    {
                        Console.WriteLine(respon.Content.ReadAsStringAsync().Result);
                        var ww = respon.Content.ReadAsStringAsync().Result;

                        var response = JsonConvert.DeserializeObject<Response>(ww);

                        Console.WriteLine(response.access_token);
                        var acc_tkn = response.access_token;


                   //    Uri requesturi = new Uri("https://approvalbotbeta.azurewebsites.net/api/send");


                      //  Dictionary<string, string> pairs2 = new Dictionary<string, string>();

                      //  pairs2.Add("Content-Type", "application/json");

                      //  FormUrlEncodedContent httpContent2 = new FormUrlEncodedContent(pairs2);
                     //   objClient.DefaultRequestHeaders.Add("Authorization", "Bearer",+ acc_tkn);

                    }
                }
                catch (Exception ex)
                {

                    Console.WriteLine(ex.Message);
                }
            }




i coded this for getting access token..then i got it.Now i want to get get 200 statues useing this token and my url.so what are the codeing line..plz help me