Don't get me wrong, i'm all for the kids and the family friendly atmosphere but a strict dress code at a carshow? I don't think implementing a dress code is gonna prevent anything from popping off.
http://www.dubshowtour.com/index.php?option=com_content&view=article&id=766&Itemid=269
http://www.dubshowtour.com/index.php?option=com_content&view=article&id=766&Itemid=269