InfoPath Dev

I am trying to set up validation to make sure the date entered is within 24 hours of todays date. I want to do something like the following but it doesn't seem to work... dateField is greater then today()+1 or dateField is less then today()-1 this does not work. Does any one know how to add to a date.

I don't think the issue is with how I set up the data sources it appears to be with how i am trying to set the value in the CAML template. What I am trying to do was modeled after this ''How-To'': http://www.infopathdev.com/howto/tutorials/default.aspx?i=1d52979046884d8186c9393a1ea95109 I want to programmatically assign the value in the CAML ...

I am trying to programmatically insert a new entry in a sharepoint list when a user clicks a cmd button. I am modeling my solution after the how-to regarding deleting a form in a library. My XML SEcondary Data Source Looks Like this and is named Add List Item Template: <?xml version=''1.0'' encoding=''UTF-8''?> <AddListItems> ...