title: Epplus cell range numerically
body: <p>In EPPlus extension, if I need to set style for a range of cells such as A1 to C1, I will use the following</p>
  
  <pre><code>ws.Cells["A1:C1"].Style.Font.Bold = true;
  </code></pre>
  
  <p>What is the equivalent for this using numbers only?</p>