title: How to keep the footer at bottom in asp.net master page.?
body: <p>i want to keep my footer at bottom in every child page.</p>
  
  <pre><code>&lt;asp:ContentPlaceHolder id="ContentPlaceHolder1" runat="server"&gt;
  
  &lt;/asp:ContentPlaceHolder&gt;
  
  &lt;div class="footer"&gt;
  footer content
  &lt;/div&gt;
  </code></pre>