title: How to get hidden data in a HTML file
body: <p>I try to get comments of a <strong>Instagram</strong> post with <code>C#</code>. But the thing is there is this <strong><em>'Load more comments'</em></strong> button which as it refers does its job and when i take a look a Firefox HTML codes all of the sudden new <code>&lt;li&gt;</code> element appears out of no where. Is this data getting there from a Database or it's embedded in HTML file? Is there a way to reach that data? I tried <code>SgmlReader</code> but i couldn't manage get all of the data that i'm looking for.</p>