title: Janus Grid sumarize in row
body: <p>I'm using Janus grid in C#, and I need to make a total sum by each row.</p>
  
  <h2>Column1 | Column2 | Total</h2>
  
  <pre><code>       1          1         2
  </code></pre>
  
  <p>Thnx in advance.</p>