ASP.NET is a free web framework for building great websites and web applications using HTML, CSS, and JavaScript.

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.

ASP.NET is an open-source framework developed and maintained by Microsoft. It is a server-side web application framework designed to create dynamic web pages. Microsoft delivers many new updates and extended features to help developers make a scalable web app that leads to high performance.

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. 

When an ASP.NET page runs, the page goes through a life cycle in which it performs a series of processing steps. These include initialization, instantiating controls, restoring and maintaining state, running event handler code, and rendering