Hide uinavigation Leftbar button
<p>i am try for hide uinavigationbar Leftbarbutton </p>

<pre><code> self.navigationItem.leftBarButtonItem.hidden = YES;

 self.navigationController.navigationItem.leftBarButtonItem.hidden =YES; 
</code></pre>

<p>I write this code but it is not work for me any body know about it.</p>
