C#

private string formXml(string username, string password, string destination, string message)
{

// create xml string
string xmlString = “<?xml version=\”1.0\” encoding=\”UTF-8\” ?> ” +
“<Request xmlns:xsi=\”http://www.w3.org/2001/XMLSchema-instance\” xsi:noNamespaceSchemaLocation=\”http://schema.2sms.us/1.0/0410_RequestSendMessage.xsd\” Version=\”1.0\”>” +
“<Identification>” +
   “<UserID>”+username+”</UserID>” +
   “<Password>”+password+”</Password>” +
“</Identification>” +
“<Service>” +
   “<ServiceName>SendMessage</ServiceName>” +
   “<ServiceDetail>” +
      “<SingleMessage>” +
         “<Destination>”+destination+”</Destination>” +
         “<Text>”+message+”</Text>” +
      “</SingleMessage>” +
    “</ServiceDetail>” +
“</Service>” +
“</Request>”;

return xmlString;
}

private string sendXml(string xmlDoc)
{
  string resultText=String.Empty;
  HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(postURL);
  request.Method=”POST”;
  // uncomment if appropriate to route web request through proxy
  //request.Proxy.Credentials = new NetworkCredential(“username”, “password”);
  //request.Proxy.Credentials = new NetworkCredential(“username”, “password”, “domain”);
  StreamWriter writer = new StreamWriter(request.GetRequestStream());
  writer.Write(xmlDoc);
  writer.Flush();
  writer.Close();

  try
  {
     XmlTextReader reader = new XmlTextReader(request.GetResponse().GetResponseStream());
     while (reader.Read())
     {
        if (reader.NodeType == XmlNodeType.Element)
       {
         switch (reader.Name)
         {
           case”Error”:
           string errorCode=String.Empty;
          string errorReason=String.Empty;
           while(!(reader.Name==”Error” &&reader.NodeType==XmlNodeType.EndElement))
          {
             reader.Read();
             if (reader.NodeType==XmlNodeType.Element)
            {
               switch (reader.Name)
              {
                case “ErrorCode”:
                reader.Read(); // this should take us to the text node
                errorCode = reader.Value;
                break;
                case “ErrorReason”:
                reader.Read();
                errorReason = reader.Value;
                break;
              }
           }
         }
         if (errorCode!=”00″)
        { // if the error code did not signify an OK status …
           resultText = errorReason;
        }
        break;
        case “Result”:
        reader.Read();
        resultText = reader.Value;
        break;
       }
      }
     }
    reader.Close();
    }
    catch (Exception e)
    { // log the exception
       resultText = “An error occurred”;
    }
    return resultText;
}