gistfile1.cs

RequestObject rq =new RequestObject();//Request物件

string requestJson = JsonConvert.SerializeObject(rq);

string responseJson = "";   //回傳結果



HttpWebRequest ProposalRq = (HttpWebRequest)HttpWebRequest.Create(Url);

ProposalRq.ContentType = "text/json";

ProposalRq.Method = "POST";



using (var streamWriter = new StreamWriter(ProposalRq.GetRequestStream()))

{

  streamWriter.Write(requestJson);

  streamWriter.Flush();

  streamWriter.Close();



  var httpResponse = (HttpWebResponse)ProposalRq.GetResponse();

  using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))

  {

    responseJson = streamReader.ReadToEnd();

  }

  httpResponse.Close();

}