title: Convert dd/MM/yyyy HH:mm tt to MM/dd/yyyy HH:mm tt in C#
body: <p>I want to convert string as : <code>"25/12/2017 4:00 PM"</code> to <code>"12/25/2017 4:00 PM"</code>. My code :</p>
  
  <pre><code>var TDXRSC = "25/12/2017 4:00 PM";
  DateTime.ParseExact(TDXRSC, "dd/MM/yyyy hh:mm tt", CultureInfo.InvariantCulture);
  </code></pre>
  
  <p>But it's not working.</p>