Hi, guys, I am a rookie in rails, I''d like to make two dynamic selects connecting with the database: in select 1 I have some countries(US,CA,UK) and I already built a table in my database called food: id food_name food_country the items of select 1 are retrieved from table when selecting a particular item in select 1, select 2 could dynamically change the items it contained(for example, US => ''hamburger'', ''chips'',.....) furthermore, the two selects are part of one form, when it''s submitted, something else like a table or chart will be showed besides the form. I have already read some materials but still struggling in countless trials, I am frustrated by the concepts of render and collect_select(I know little about ajax) and actions interacted in the process, would you like to give me a detailed explanation of the structure to meet with my requirement? Thank you in advance!!!! -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.