title: DataRow to bool casting
body: <p>I have an xml file from which I read data in the unit test : <code>[DataSource]</code>
  For the xml line : <code>&lt;DataBool&gt;true&lt;/DataBool&gt;</code>, I try to read value by : </p>
  
  <pre><code>bool bData = (bool)TestContext.DataRow[4];
  </code></pre>
  
  <p>But it throws exception - invalid casting.What is the possible efficient solution?</p>