string URI = "http://www.myurl.com/post.php"; string myParameters = "param1=value1¶m2=value2¶m3=value3"; using (WebClient wc = new WebClient()) { wc.Headers[HttpRequestHeader.ContentType] = "application/x-www-form-urlencoded"; string HtmlResult = wc.UploadString(URI, myParameters); } Copy from https://*.com/questions/5401501/how-to-post-data-to-specific-url-using-webclient-in-c-sharp
WebClient post url and parameters and receive server response