title: select max between two columns in linq
body: <p>i have dateSend Column and dateEdit Column in product table, i can select max dateSend with this code:</p>
  
  <pre><code>(from pro in Products.ToList()
  select new { pro.DateSend }).Max();
  </code></pre>
  
  <p>but i have max between dateSend and dateEdit, please help me.</p>