still parsing variables from page 2 page by the querystring and hidden fields?? if your answer is yes, read this article! Nice summary of different techniques.

http://blogs.msdn.com/tinghaoy/archive/2005/12/15/504357.aspx

Anyone has a clue how to retrieve viewstate variables who are not webcontrols?

like:
page 1:
this.ViewState.Add("jaap", "bladiebla");
page 2:
this.PreviousPage.ViewState["jaap"]

anyone?

http://www.dotnetslackers.com/ASP_NET/re-17066_Cross_Page_Navigation_Techniques_in_ASP_NET.aspx

http://metasapiens.com/PageMethods/