lectionOption--"><code>UISelectItem.isNoSelectionOption()</code></a> method returns
 <code>true</code>, enqueue an error message and set the
 <code>valid</code> property to <code>false</code>.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../javax/faces/component/UIInput.html#validateValue-javax.faces.context.FacesContext-java.lang.Object-">validateValue</a></code>&nbsp;in class&nbsp;<code><a href="../../../javax/faces/component/UIInput.html" title="cl