title: How to parse datetime with DateTime.ParseExact
body: <p>I have the following string that I need to parse</p>
  
  <pre><code>string date = "2017-06-23T13:45:45.816"
  </code></pre>
  
  <p>What is correct format string?</p>
  
  <p>I tried </p>
  
  <pre><code>DateTime createDate = DateTime.ParseExact(date, "yyyy-MM-dd'T'hh-mm-ss", CultureInfo.InvariantCulture);
  </code></pre>