Access Query string parameters with no values in ASP.NET

Question

I am trying to set up a page that has two behaviors. I\'m separating them by URL: One behavior is accessed via /some-controller/some-action, the other is via

Answer 1

ASP.NET does not support determining the presence of query string parameters without values since Request.QueryString["customize"] and Request.QueryString["foo"] are both null. You'll either have to parse it yourself or specify a value e.g. ?customize=1