title: How do I get the dynamic port at run time used by visual studio? e.g, http://localhost:1807
body: <p>I am using Google Checkout and I could like to create an absolute URL for returning to our web site to edit he cart and I would like the code to work in debug mode as well as production mode.</p>
  
  <p>Req.EditCartUrl = "<a href="http://localhost:1807/WebSite/calculator.aspx" rel="nofollow noreferrer">http://localhost:1807/WebSite/calculator.aspx</a>"</p>