Introduction

This blog gives a simple method to check if a web service is up and connections can be made to it.
Overview

The below method will check if we are able to connect to a web service with the URL "url".

You can pass the web service url to the TestConnections method and the method will return success or failure.

The method uses simple HttpWebRequest and HttpWebResponse to check if the url is up.
  1. /// <summary>
  2. /// Checks the connection to service
  3. /// </summary>
  4. /// <param name="url"></param>
  5. /// <returns></returns>
  6. public string TestConnection(string url)
  7. {
  8. try
  9. {

  11. // try accessing the web service directly via it's URL
  12. HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
  13. request.Timeout = 30000;

  15. using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
  16. {
  17. if (response.StatusCode != HttpStatusCode.OK)
  18. {
  19. Logger.Log(LogCategory.Business, LogLevel.Warning, Constants.ConnectionFailure);
  20. return Constants.ConnectionFailure;
  21. }
  22. else
  23. {
  24. return Constants.ConnectionSuccess;
  25. }
  26. }
  28. catch (WebException ex)
  29. {
  30. Logger.Log(LogCategory.App, LogLevel.Warning, string.Format(CultureInfo.InvariantCulture, "Error
    ing connection to web service at \"{0}\":\r\n{1}", url, ex));
  31. throw;
  32. }

  34. catch (Exception ex)
  35. {
  36. Logger.Log(LogCategory.App, LogLevel.Warning, string.Format(CultureInfo.InvariantCulture, "Error test
  37. ing connection to web service at \"{0}\":\r\n{1}", url, ex));
  38. throw;
  39. }
  40. }