title: Name convention for keys in app.config
body: <p>What is the name convention for keys in app.config?
  <a href="http://msdn.microsoft.com/en-us/library/ms229045%28v=vs.110%29.aspx" rel="noreferrer">MSDN</a> doesn't include it.</p>
  
  <p>Example:</p>
  
  <pre><code> &lt;add key="enablemail" value="true" /&gt;
  </code></pre>
  
  <p>Or</p>
  
  <pre><code> &lt;add key="EnableMail" value="true" /&gt;
  </code></pre>
  
  <p>Or</p>
  
  <pre><code> &lt;add key="enableMail" value="true" /&gt;
  </code></pre>