References
ASP.Net Cookies Overview
Adding parameters to query string at run time
Reflection Binding Flags Enumeration
.Net reflector
SEO is becoming more and more important issue these days, and your site root url can lose its SEO rank if there are too many different query string attached such as www.yoursite.com/?a=b&b=c and www.yoursite.com/default.aspx?wt=129. It will be nice you can keep the [...]