title: How can I load an aspx page in another aspx page in a specific <div> tag
body: <p>I would like to update a certain part of the page with content from another *.aspx page, thus avoiding having to have just one (very) long page of code.</p>
  
  <p>So: How can I load an aspx page in another aspx page in a specific  tag, without having to reload the entire page.</p>