Qxtend Query Service, .NET, and Dexter

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Net;
using System.Xml;

namespace QxtendSoapCall
{
    class Program
    {
        static void Main(string[] args)
        {
            //Prep information related to Qxtend 
            //(these values are made up for demo purposes)
            string url = "http://qad-qxtend/services/QDocWebService";
            string receiver = "qad_rcv";
            string domain = "abc";
            string version = "v1_1";
            string sourceApp = "abc";
            string profile = "GetCustomerReps";
            int maxRows = 0;  //unlimited

            //Set filter for query service (optional)
            //(these values are made up for demo purposes)
            string part = "ABC-123";
            string filter = string.Format("pt_part = {0}", part);

            //Load generic xml request template from external file
            //(create an empty QueryService QDOC request to begin and add placeholders)
            string templatePath = @"C:\XmlData\QueryService.xml";
            string requestXML = string.Empty;
            using (StreamReader streamReader = new StreamReader(templatePath))
            {
                requestXML = streamReader.ReadToEnd();
            }

            //Replace template values with values for this query service
            requestXML = requestXML.Replace("{receiver}", receiver);
            requestXML = requestXML.Replace("{domain}", domain);
            requestXML = requestXML.Replace("{version}", version);
            requestXML = requestXML.Replace("{sourceApplication}", sourceApp);
            requestXML = requestXML.Replace("{profile}", profile);
            requestXML = requestXML.Replace("{filter}", filter);
            requestXML = requestXML.Replace("{maxRows}", maxRows.ToString());

            //Clean up template
            requestXML = requestXML.Replace("\n", "").Replace("\r", "");

            //Prep service call variables for qxtend
            WebRequest request = null;
            WebResponse response = null;
            string xmlResponse = string.Empty;

            try
            {
                //Prepare web request
                request = WebRequest.Create(url) as HttpWebRequest;
                request.Method = "POST";  //post method
                request.ContentType = "text/xml";  //xml
                request.Headers.Add("soapaction", url);  //soapaction header
                request.Headers.Add("Synchronous", "Yes");  //synchronous
                request.Timeout = 30000;  //30 seconds timeout expiry

                //Encode xml string into byte array
                byte[] byteData = Encoding.UTF8.GetBytes(requestXML);
                request.ContentLength = byteData.Length;

                //Post byte array
                using (Stream postStream = request.GetRequestStream())
                {
                    postStream.Write(byteData, 0, byteData.Length);
                    postStream.Close();
                }

                //Get web response
                response = request.GetResponse() as HttpWebResponse;

                //Pull response into stream
                Stream stream = response.GetResponseStream();

                //Read stream
                StreamReader reader = new StreamReader(stream);
                xmlResponse = reader.ReadToEnd();
            }
            catch (WebException webEx)
            {
                //TODO: Handle your web exceptions here
            }
            catch (Exception ex)
            {
                //TODO: Handle your general exceptions here
            }

            //Convert string to XmlDocument (or XDocument)
            XmlDocument xdoc = new XmlDocument();
            if (!string.IsNullOrEmpty(xmlResponse))
            {
                xdoc.LoadXml(xmlResponse);
            }

            //TODO: Do something with XML now that you have data from QAD
        }
    }
}