search for: other_f

question one: is there any select box tag for form_for? now,perhaps i just can use the select or select_tag? question tow: i have a A model,it has one B such as: class A< ActiveRecord::Base belongs_to :B when i use the form_for tag,how can i output the variable name?like this: <%form_for :a,@a,:url=>{:controller=>"a",:action=>"save"} do |f|%>