search for: book_title

I have an HTML form on the screen, that is connected to a database (standard Ruby way). I found that there are people that would rather not fill in this information, but would rather search Amazon for the info. Therefore, I added a link to the right of one of the fields that, when pressed, will search Amazon for what ever you typed into that field. So, how can I do that? At first I tried

...an admin section for a database of books and on each page there is a form at the top with a single search field on the title of books. So I''ve used: <%= start_form_tag ({:controller => ''books'', :action => ''edit'' }) %> <label for="book_title">Search Books: </label><%= text_field_with_auto_complete :book, :title %> <%= submit_tag ''Go'' %> This works fine except that some of the views on which this top search bar appears are edit and create forms for books. So, they also have input fields...

my problem is... during edit process radio button should be checked as default ..how can i do that ..pl help.. my edit .erb file <% form_tag (:action => ''update'', :id => @mobile )do%> <p><label for="book_title">Title</label>: <%= radio_button ''mobile'', ''brand'', ''yes'' :checked => checked?( ''mobile'', ''brand'', ''yes'' )%><%= radio_button ''mobile'', ''...

...w.html.erb where line #4 raised: undefined method `title'' for #<Book id: nil, created_at: nil, updated_at: nil> Extracted source (around line #4): 1: <h1>Add new book</h1> 2: <%= form_tag :action => ''create'' %> 3: <p><label for="book_title">Title</label>: 4: <%= text_field ''book'', ''title'' %></p> 5: <p><label for="book_price">Price</label>: 6: <%= text_field ''book'', ''price'' %></p> 7: <p><la...