How to Hide the UIbarbutton on navigation bar
<p>hi i have created a bar button which displays Done when the editing of the text view starts. what actually i need that when i press the done button then the the editable property of textview will become false and the done button hides. </p>

<p>i am done with the first part but how to hide the bar button?</p>

<p>please help.. </p>
