title: Selected Value in dropdownList using Jquery does not appear after set it
body: <p>I have a problem with <code>asp:dropdownlist</code> when I try to change selected value to some thing using jquery after set the value, dropdownlist shows me last value and does not update to new selected value that have been set by me.</p>
  
  <p>I try it(my html code)</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;select name="ctl00$cphMain$ddlBankList" id="ddlBankList"&gt;
   &lt;option value="2"&gt;a&lt;/option&gt;
   &lt;option value="67"&gt;b&lt;/option&gt;
   &lt;option value="85"&gt;c&lt;/option&gt;
   &lt;option value="175"&gt;d&lt;/option&gt;
   &lt;option value="84"&gt;e&lt;/option&gt;
      &lt;option value="86"&gt;f&lt;/option&gt;
  &lt;/select&gt;</code></pre>
  </div>
  </div>
  </p>
  
  
  
  <p>and to modify html i use this js</p>
  
  <pre><code>$("#&lt;%=ddlBankList.ClientID%&gt; option:selected").removeAttr("selected");
  $("#&lt;%=ddlBankList.ClientID%&gt; option[value='67']").attr('selected', 'true');
  </code></pre>
  
  <p>But dropdownlist does not Jump to 67 value.</p>