title: ExtJs lable not displying
body: <p>I have a label initially which is hidden</p>
  
  <pre><code>var lblField = new Ext.form.LabelField({ xtype: 'label', text: 'This is lable text', hideLabel: true, hidden: true });
  </code></pre>
  
  <p>I am trying to make it visible by-</p>
  
  <pre><code>lblField.setVisible(true);
  </code></pre>
  
  <p>but the lable is not at all visible
  what I am doing wrong here</p>