This may sound really dumb, but I can't get Filemaker Pro to make a portal. In layout view, I click on the portal box, draw it, and the portal setup box comes up. Everything in the "Show related records from:" box is shaded out except "Define Database" and everything else in the portal setup box is greyed out too. I'd like to use "Current table," but it's greyed out. If I try to define a database, every box in the portals setup box is still greyed out. Does anyone have an suggestions? I know this is something dumb... but I would really appreciate any help.

You probably only have one TO in your TOG. You have to have at least one relationship to use a portal, which means you need at least two TO's -- even if they both use the same table. So choose Define Database, click Relationships, and add a new TO and create the relationship. Then you'll be able to use a portal.