title: Wicket Drop down choice to set default value
body: <p>I want to replace "choose one" option in drop down choice with other String "successfully occured" and I dont want to show list item to set the default.</p>
  
  <pre><code>DropDownChoice&lt;Person&gt; customer = new DropDownChoice&lt;Person&gt;(
                          "customer", new PropertyModel&lt;Person&gt;(customermodel, "customer"),list, new ChoiceRenderer&lt;Person&gt;("name", "id"));
  </code></pre>