title: select combobox item by value C#
body: <p>I have a combobox , bound to <code>Datatable</code> 
  and have the following properties:</p>
  
  <pre><code>cboCars.DisplayMember = "carLiscen";
  cboCars.ValueMember = "carNo";
  </code></pre>
  
  <p>How can I select the <code>DisplayMember</code> when I know the <code>ValueMember</code> ?</p>