I use IE 10 F12 button to locate a < a > node on my page, I got this:
<a tabindex="-1" class="level1 static" href="About.aspx">About</a>
But I use the following code to retrieve the page HTML, and get this:
<a class="level1" href="About.aspx">About</a>
Code:
WebClient wc = new WebClient();
String pageString = wc.DownloadString(url);
Why are they different?
Update:
Below is the Fiddler monitor result.
IE10:


WebClient:


This question is duplicated with this one: How to get the page source from an IE window?
And I have solved it there.