From: Subhadip Chakraborty <fromsubha80@...>
Date: 2008-03-13T18:50:06+09:00
Subject: fetch data from text_field

i am new in ruby.in my program i have one .rhtml file and two
controller.
1.in search.html.erb,the code is:
<% form_tag(:action => 'search') do %>
  Book_Id:
  <%= text_field 'book', 'book_id' %><br>

 <%= submit_tag "search" %>
<% end %>
2.in controller
class MainController < ApplicationController
  def search

      @book=Book.find_by_book_id(params[:book_id])


     redirect_to :controller=>'search',:action=>'sv',:id=>@book

    end
  end


end
3.in sv.html.erb
<% for book in @books %>

  <tr>

    <td><%=h book.book_id %></td>
    <td><%=h book.book_name %></td>
    </tr>
<% end %>
4:in controller
class SearchController < ApplicationController
  def sv
    #@books=Book.find(:all)
    @books=Book.find(:all,:conditions => ["book_id=@book.id",
params[:book_id]])
    respond_to do |format|
      format.html # index.html.erb
      format.xml  { render :xml => @books }
    end
  end

end
but i am unable to fetch data fron database corresponding to book_id
which i m given through textfield..
any one can help me..
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