What ASP.NET is used for?

Basically, ASP.NET is a web delivery mechanism that runs either C# or VB.NET in the background. C# is a programming language that runs ASP.NET as well as Winforms, WPF, and Silverlight.

ASP.NET is a web application framework developed and marketed by Microsoft to allow programmers to build dynamic web sites . It allows you to use a full featured programming language such as C# or VB.NET to build web applications easily.

An ASP.NET page is made up of a number of server controls along with HTML controls, text, and images . Sensitive data from the page and the states of different controls on the page are stored in hidden fields that form the context of that page request.

ASP.NET is a free web framework for building great websites and web applications using HTML, CSS, and JavaScript . You can also create Web APIs and use real-time technologies like Web Sockets.