title: Format exception String was not recognized as a valid DateTime
body: <pre><code>objTour.tourStartDate = 
      Convert.ToDateTime(
          DateTime.ParseExact(txtTourStartDate.Text, "dd/MM/yyyy", null)
              .ToString("MM/dd/yyyy"));
  </code></pre>
  
  <p>where <code>txtTourStartDate.Text="16/08/2012"</code>.</p>
  
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