T.K.
If it's an elegant evening affair with a band and a bar, I probably wouldn't take them or just skip the reception.
It kind of pisses me off to be invited places that my children are not welcome. As a responsible parent, I try to be reasonable about where I take them and I would have done the same thing - call to ask if it was appropriate for this occasion.
allow me to vent a sec....
My sister in law had the nerve to say "no children please" on invitations to her baby shower! A party designed to celebrate babies and it was no babies allowed. Tacky doesn't begin to describe that type of thing. Guess how many people showed up. 3. Me, her husband, and the friend that threw the thing. She aced herself out of all that fun and got nothing for her new baby.