ASP.NET is an open source, server-side web application framework designed for the development of dynamic web pages. It has been developed by Microsoft to allow programmers to create dynamic web sites, applications and web services. Its name stands for Active Server Pages Network Enabled Technologies.
ASP stands for Active Server Page. It is a technology that allows creating dynamic and interactive web pages. ASP technology uses server-side scripting to dynamically produce web pages that are not affected by the type of browser used by the visitor.
The extension of ASP pages is .asp