title: Convert Date to "dd-MMM-yyyy" format c#
body: <p>Guys i am unable to convert datetime to "dd-MMM-yyyy" format. My code is given below:</p>
  
  <pre><code>TreeNode tn = new TreeNode(dr["pBillDate"].ToString());       // Here i am getting both date and time.
  </code></pre>
  
  <p>I need to convert it as "20-Mar-2013".</p>
  
  <p>Please help me. Thanks.</p>