Tally XML Request Using C#

HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create("http://localhost:9000");
httpWebRequest.Method = "POST";
httpWebRequest.ContentLength = pWebRequstStr.Length;
httpWebRequest.ContentType = "application/x-www-form-urlencoded";
StreamWriter lStrmWritr = new StreamWriter(httpWebRequest.GetRequestStream());
lStrmWritr.Write(pWebRequstStr);
lStrmWritr.Close();
HttpWebResponse lhttpResponse = (HttpWebResponse)httpWebRequest.GetResponse();
Stream lreceiveStream = lhttpResponse.GetResponseStream();
StreamReader lStreamReader = new StreamReader(lreceiveStream, Encoding.UTF8);
lResponseStr2 = lStreamReader.ReadToEnd();
lhttpResponse.Close();
lStreamReader.Close();