title: Set default Tab selected for Tab panel for GXT
body: <p>I have a application written in GXT. There are three tabs such as: One, Two, Three for example. For each tab, it is also a TabPanel, under each of One, Two, Three there are A, B and C. </p>
  
  <p>One(A, B, C), Two(A, B, C), Three(A, B, C), I want to add a feature only for Two which is: <strong>A is the default tab view when you select Two.</strong></p>
  
  <p>It is OK when the application is first load. However, if you select B under Two, then select One or Three, then you click Two again, A is not default tab selected, B is default (I don't want the remember last select function)</p>
  
  <p>Anyone knows how to implement that? The class for Two tab panel is very simple like:</p>
  
  <pre><code>twoTabPanel.add(aTab);
  twoTabPanel.add(bTab);
  twoTabPanel.add(cTab);
  </code></pre>
  
  <p>What is the method for TabPanel or how to implement this?</p>
  
  <p>I tried the <code>twoTabPanel.setAutoSelect(true)</code>, it doesn't work.</p>