title: SQL datetime to C# string and back to SQL datetime
body: <p>I have a webservice method that gets data from sql of the format
  <strong>2012-11-18 11:21:03</strong> when i save it to C# string it becomes this format: <strong>18.11.2012 11:21:03</strong>
  How do i change it back to the SQL format <strong>2012-11-18 11:21:03</strong> ?</p>