Disappearing Form Values When Calling Subroutine

I am calling a subroutine when I click a submit button. In the subroutine I grab values from text boxes and validate them. If it all works then it goes to the Update page.

Well my validating works but when it calls the Update page I am using the Request.Form to get the values from the form to update/insert into the database.

Well if I do an update it updates all the fields as empty. If I try to do an insert is says it can't insert NULL into the Primary key field.

Now most of the time the Primary key field is a list box and I don't touch it in the subroutine. Still why are all my values disappearing when I call the subroutine??

So I guess that is it. When I validate a forms values, them same values are no longer available on another page through Request.Form?