Inherited an ASP.NET app & have some simple questions

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I'm a PHP/Rails developer and have inherited an ASP.NET application (and its maintenance). So I have a few simple questions.1.) What's the makeup of a typical rendered(compiled?) HTML page in ASP.NET. That is, when a request is made what happens from the initial request to the time the HTML is displayed in the browser? I'm assuming some templates are combined and finally rendered but I'd like a more in-depth answer.2.) I've been asked to remove a link from a Login form which is an aspx page. Looking at the aspx page itself it has an inherit statement, a link to the codebehind file, and links some other resources. Where do I actually remove the link from the Login page/template at? I've so far been unable to find exactly where the link is written so that I can remove it or comment it out.Thank you!