title: How to use DropDown After using virtual binding in KnockOut?
body: <p>Here i am using a virtual binding for hiding a dropdownlist .For a condition i will show the dropdowmlist.But i cant select the dropdownlist.</p>
  
  <pre><code>                      &lt;!-- ko if: chartType --&gt;
                          &lt;select id="chartType"&gt;
                              &lt;option&gt;column&lt;/option&gt;
                              &lt;option&gt;bar&lt;/option&gt;
                          &lt;/select&gt;
                        &lt;!-- /ko --&gt;
  </code></pre>
  
  <p>and my js:</p>
  
  <p><code>$("#li_tab2").live("click", function () {
          viewModel.chartType(true);
      });</code></p>
  
  <p>how can fix this issue please help me?</p>