title: Bootstrap : accordion-toggle doesn't work
body: <p>I have a problem with my accodion-toggle . I put it in my code but it doesn't work my title stay in blue and with nothing near of my title.</p>
  
  <p>This is my code :</p>
  
  <pre><code>@{string module_origine = "";
   int step = 0;
  }
  &lt;div class="accordion" id="accordion2"&gt;
  @foreach (var test in Model)
  {
      if (module_origine != test.module)
      {
          module_origine = test.module;
          step = step + 1;
  
          &lt;div class="accordion-group"&gt;
              &lt;div class="accordion-heading"&gt;
                  &lt;a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion2"   href="#collapse_@step"&gt;
                      @Html.DisplayFor(ModelItem =&gt; test.module)
                  &lt;/a&gt;
              &lt;/div&gt;
  
              &lt;div id="Collapse_@step" class="accordion-body collapse in"&gt;
  
                  &lt;div class="accordion-inner "&gt;
                      @foreach (var item in Model.Where(item =&gt; item.module == module_origine))
                      {
                          &lt;form method="get" action="/@Html.DisplayFor(modelItem =&gt;item.droit)"&gt;
                              &lt;button type="submit" class="btn btn-primary" title="@Html.DisplayFor(ModelItem =&gt; item.description)"&gt;@Html.DisplayFor(modelItem =&gt; item.menunom)&lt;/button&gt;
                          &lt;/form&gt;
                      }
                  &lt;/div&gt;
              &lt;/div&gt;
          &lt;/div&gt;
      }
  }
  &lt;/div&gt;
  </code></pre>
  
  <p>I don't understand why my class <em>accordion-toggle</em> doesn't work so I hope I can understand why and help me think you !</p>