title: How can I call a web service and pass parameters using the URL
body: <p>How can I call a ASP .NET web service and pass parameters using the URL?</p>
  
  <p>For example, the URL for the service is like,</p>
  
  <p><code>http://[localhost]:31856/MySystem/MyAPI.asmx?op=getHeight</code></p>
  
  <p>I need to pass two parameters a and b, I tried</p>
  
  <p><code>http://[localhost]:31856/MySystem/MyAPI.asmx?op=getHeight?a=254&amp;b=1</code></p>
  
  <p>But failed.</p>
  
  <p>Please advice.</p>
  
  <p>Many Thanks,</p>