Overview of Form Helpers (Rails 3)

1. FORM HELPERS
RAILS 3

2. FORMS
<%= form_for(@person) do |f| %>
<%= f.label :first_name %> <br />
<%= f.text_field :first_name %>
<%= f.label :last_name %><br />
<%= f.text_field :last_name %>
<%= f.submit %>
<% end %>

3. form_for(@person)
• allows same syntax for new and edit form
• Person.new => /people
• Person.find(4) => /people/4
• in rails console, can experiment using "app"
• app.url_for(Person.new)
• app.url_for(Person.first)

4. FORM ELEMENTS
• label
• text_field
• password_field
• text_area
• check_box
• radio_button
• file_field
• select
•

5. TAG HELPERS
• When forms are not associated with a model
• use form_tag and related helpers
• label_tag
• text_field_tag
• submit_tag
• etc.

6. FUTHER READING
http://guides.rubyonrails.org/form_helpers.html