I am trying to access information on a website that uses frames. When I try to access the site I get the website source, but I also get the This page uses frames, but your browser doesn't support them. I would’ve assumed that I needed to leave this page open though in order to access the frames. So what I’ve done is create a new object to make a request to the page with the frames. However, that returns a page that redirects to an error.
My question is if it’s possible to get the frame information using HttpWebRequest and is there a tutorial or an example online?
Yes it is possible. You need to match request that browser makes to retrieve these frames (potentially faking referrer and other headers).
Use some HTTP debugger like Fiddler to see requests your code generates and compare your requests to browser’s ones.