如果要在C#上请求"POST"方法，则应使用:

If you want to request a "POST" method on C#.You should use :

string data; // SENDING DATA
           byte[] buffer = Encoding.UTF8.GetBytes(data);
           HttpWebRequest hwr = (HttpWebRequest)WebRequest.Create("http://www.inspire-geoportal.eu/INSPIREValidatorService/resources/validation/inspire");
           hwr.Method = "POST";
           hwr.ContentType = "application/x-www-form-urlencoded";
           hwr.ContentLength = buffer.Length;
           Stream PostStream = hwr.GetRequestStream();
           PostStream.Write(buffer, 0, buffer.Length);
           PostStream.Close();

但是我不知道文件代码部分.

But i dont know about file code part.