search

controller

class LoginController < ApplicationController

def search
  @student = Student.search params[:search]
end

overview.html

<%form_tag(:controller => 'login', :action => 'overview', :method => 'get') do %>>

      <%= text_field_tag :search, params[:search], :id => 'search_field' %>
    <%= submit_tag "Search", :name => nil %>
      <%= link_to_function "Clear", "$('search_field').clear()" %>
  <% end %>

<div id="search">
    <%= render :partial => 'search' %>

  </div>

<ul>
     <% @student.each do |student| %>
   <li><%= link_to student.student_name,:action => 'show', :id => student.id  %></li>

</ul>
<%end%>

problem

Model


class Student < ActiveRecord::Base
   def self.search(query)
     #find(:all, :conditions => ['student_name LIKE ?', "%#{query}%"]) || []
     self.find(:all, :conditions => ['student_name LIKE ?', "%#{query}%"]) 
   end
end

routes

 # You can have the root of your site routed with map.root -- just remember to delete public/index.html.
   map.root :controller => "login", :action => 'login'
   map.users 'users', :controller => :users
  map.students 'students', :controller => :students
  map.login 'login', :controller => :login, :action => :login
  map.logout 'logout', :controller => :login, :action => :logout
  #map.main_menu 'main_menu', :controller => :login, :action => :main_menu
  map.home 'home', :controller => :login, :action => :home
  map.overview 'overview', :controller => :login, :action => :overview
  map.retention 'retention', :controller => :login, :action => :retention
  map.reports 'reports', :controller => :login, :action => :reports
  map.tracking 'tracking', :controller => :login, :action => :tracking
  # See how all your routes lay out with "rake routes"