Recording of the POST interface formdata parameter transfer template in C#

 var res = "";
 HttpClient _httpClient = new HttpClient();
 var postContent = new MultipartFormDataContent();
 string boundary = ("--{0}", ("x"));
 ("ContentType", $"multipart/form-data, boundary={boundary}");
 var requestUri = "url";
 
 var values = new[]
 {
  new KeyValuePair<string, string>("id","1")
  };

 foreach (var keyValuePair in values)
 {
     (new StringContent(),
         ("\"{0}\"", ));
 } 
 var response = await _httpClient.PostAsync(requestUri, postContent);
 //The browser returns to res if ()
 {
     res = ().Result; 
 }
 // Processing to return JSON data  var q = <MODEL>(res);

public string GetFormdata(Dictionary<string, string> dic,string ticks) {
            string Info = "";
            string Head = ("----------------------------{0}", ticks);
            string Foot = ("----------------------------{0}--", ticks);
            foreach (var item in dic){
                Info += ("{0}\r\nContent-Disposition: form-data; name=\"{1}\"\r\n\r\n{2}\r\n", Head, , );
            }
            Info += Foot;
            return Info;
        }

string Ticks = ();
                        string Paramter = GetFormdata(dic, Ticks);
                        string Html = "";
                        using (HttpHelper http = new HttpHelper()){
                            HttpItem item = new HttpItem();
                             = "/api//createSaleOrder";
                             = "post";
                            ("token", Token);
                             = ("multipart/form-data; boundary=--------------------------{0}", Ticks);
                             = .UTF8;
                             = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/4.0; EmbeddedWB 14.52 from: / EmbeddedWB 14.52; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.2; .NET4.0C; .NET4.0E; Tablet PC 2.0; TCO_20150304085044)";
                             = ;
                             = Paramter;
                            HttpResult result = (item);
                            Html = ;
                        }