我似乎找不到任何关于为什么我的模态不显示的答案，所以我认为应该检查基础知识。我已经实现了以下结构，但没有弹出模式。请帮忙
1) 索引页面有一个链接，可以调用控制器的编辑操作
<%= link_to 'Edit business', edit_user_business_path(@u, b), {:remote => true, 'data-controls-modal' => "modal-window", 'data-backdrop' => true, 'data-keyboard' => true, :class => "btn btn-primary ", :id => 'edit_biz'} %>
2）控制器的编辑操作这样做（缩短）：
respond_to do |format|
format.html {render :edit}
format.json { head :ok}
end
3) Edit.html.erb 看起来像这样：
<div class="modal hide fade" id="modal-window">
<div class="modal-header">
<a href="#" class="close">×</a>
<h6>Loading...</h6>
</div>
<div class="modal-body center">
<h2>Edit business </h2>
<%= render 'editbusiness' %>
</div>
<div class="modal-footer">
</div>
</div>
4) _editbusiness.html.erb 有以下内容
<fieldset>
<br/>
<br/>
<%= form_for @businesses_to_edit, :url => { :action => "edit"}, :class => "form-horizontal" do |biz| %>
<p>
<%= biz.label :name, :class => "span3"%>
<%= biz.text_field(:name, :placeholder => biz.object.name, :class => "span3")%>
</p>
<p>
<%= biz.label :description, :class => "span3" %>
<%= biz.text_field(:description, :placeholder => biz.object.description, :class => "span3")%>
</p>
<br/>
<br/>
<br/>
<div class="form-inline pull-right">
<%= biz.submit "Save", :class => "btn btn-inverse span1", :id => 'edit_biz' %>
<%= biz.button "Close", :class => "span1", :id => 'close' %>
</div>
<% end %>
</fieldset>
5) 最后，application.js 有这个：
//= require jquery
//= require jquery_ujs
//= require_tree .
//= require bootstrap
$(document).ready(function() {
$('#modal-window').modal('show') ;
$('.modal-body').html('<%= escape_javascript(render :partial => "editbusiness", :object => @businesses_to_edit) %>');
});