title: C# serializing Class to XML where one of class properties is DateTime. How to make this property in ISO format?
body: <p>I'm serializing class which contains DateTime property.</p>
  
  <pre><code>public DateTime? Delivered { get; set; }
  </code></pre>
  
  <p>After serializing Delivered node contains DateTime formatted like this:</p>
  
  <pre><code>2008-11-20T00:00:00
  </code></pre>
  
  <p>How can I change this property to make it look like this:</p>
  
  <pre><code>2008-11-20 00:00:00
  </code></pre>
  
  <p>Thanks in advance</p>