title: XML Update Nodes using Linq
body: <p>I have a xml file with following entries, I want to update. I have gone through other related questions but not solving my issue.</p>
  
  <pre><code>&lt;Movie&gt;
      &lt;Name&gt;21&lt;/Name&gt;
      &lt;Year&gt;2008&lt;/Year&gt;
      &lt;Genre&gt;Drama&lt;/Genre&gt;
  &lt;/Movie&gt;
  </code></pre>