title: How to copy file in asp.net
body: <p>I use ASP.net and have a .docx file in website:</p>
  
  <pre><code>Server.MapPath("~") + @"Files\tmp.docx". 
  </code></pre>
  
  <p>I want copy this file to </p>
  
  <p><code>Server.MapPath("~") + @"Files\Docx\"</code> with "D210" named.</p>
  
  <p>How to copy this file and rename it?</p>