Using Get/Post

gistfile1.cs

        private T callService<T>(string method, string json, string auth, bool post = false, List<string> headers = null) where T : new()
        {
            string url = string.Format("{0}/{1}", _configuration.BaseUrl, method);
            var request = WebRequest.Create(url) as HttpWebRequest;
            request.Method = !post ? "GET" : "POST";
            request.Accept = "application/json";
            request.ContentType = "application/json";
            request.Headers["Authorization"] = auth;
            if (headers != null)
            {
                for (int i = 0; i < headers.Count; i += 2)
                    request.Headers[headers[i]] = headers[i + 1];
            }          
                
            if (post)
            {
                using (var writer = new StreamWriter(request.GetRequestStream()))
                {
                    writer.Write(json);
                }
            }

            string responseContent;
            try
            {
                using (var response = request.GetResponse() as System.Net.HttpWebResponse)
                {
                    using (var reader = new System.IO.StreamReader(response.GetResponseStream()))
                    {
                        responseContent = reader.ReadToEnd();
                    }
                }
                T deserial = Deserialize<T>(responseContent);
                return deserial;
            }
            catch (WebException ex)
            {
                T obj = Activator.CreateInstance<T>();
                return obj;
            }
        }
        
        
        private static string Serialize<T>(T obj)
        {
            DataContractJsonSerializer serializer = new DataContractJsonSerializer(obj.GetType());
            MemoryStream ms = new MemoryStream();
            serializer.WriteObject(ms, obj);
            string retVal = Encoding.UTF8.GetString(ms.ToArray(), 0, (int)ms.Length);
            ms.Dispose();
            return retVal;
        }

        private static T Deserialize<T>(string json)
        {
            T obj = Activator.CreateInstance<T>();
            MemoryStream ms = new MemoryStream(Encoding.Unicode.GetBytes(json));
            DataContractJsonSerializer serializer = new DataContractJsonSerializer(obj.GetType());
            obj = (T)serializer.ReadObject(ms);
            ms.Dispose();
            return obj;
        }