Sharepoint controls in ASP.NET application

Question

Is there a way I can use the sharepoint controls in a ASP.NET web application like any other controls that come out of box for ASP.NET? If yes, what are the pre-requisites I

Answer 1

Yes, you can use SharePoint "controls" in an ASP.NET application, as long as the application is running in SharePoint.

In other words, the prerequisite is SharePoint.