title: how to show datetime format as dd-MMM-yy when its type is DateTime
body: <p>below is purchase class,which contain property as orderdate with type datetime</p>
  
  <pre><code>public class Purchase
  {
      public int Id { get; set; }
      public string OrderNo { get; set; }      
      public DateTime OrderDate { get; set; }     
      public string Location { get; set; }
  }
  </code></pre>
  
  <p>when i create object of purchase i want to assign date to it.and for output i want to show format as "dd-MMM-yy" eg. 27-May-14</p>
  
  <p>i tried <code>purchase.OrderDate = Convert.ToDateTime("27-May-13");</code>
  but it shows result as</p>
  
  <pre><code>5/27/2013 12:00:00 AM
  </code></pre>