C# - How to list out variable names and values posted to ASPX page

Question

I am dynamicaly generating a HTML form that is being submitted to a .aspx webpage. How do I determine in the resulting page what variable names were submitted and what the value

Answer 1

In addition to the answers above, if you want to combine collection of QueryString, Form, ServerVariables, and Cookies items, then the best way is to use HttpRequest.Params