How to set a postvar's name in a httprequest?

Question

I need to reach a webservice which respondss to the postvar "data". How do i set this name in c# with a httprequest... this is what i got:

            UTF8Encoding encoding = new UTF8Encoding();
            byte[] data = encoding.GetBytes(postData); 

            HttpWebRequest myRequest =
              (HttpWebRequest)WebRequest.Create("http://secreturl/jubidubb.php");
            myRequest.Method = "POST";
            myRequest.ContentType = "application/x-www-form-urlencoded";
            myRequest.ContentLength = data.Length;
            myRequest.KeepAlive = true;
            Stream newStream = myRequest.GetRequestStream();


            newStream.Write(data, 0, data.Length);
            newStream.Close();

            // The response
            WebResponse response = myRequest.GetResponse();

Answer 1

Doesn't responds to the postvar "data" simply mean that your postData string needs to be of the form "data=mydata"?