What is ASP.NET ?

ASP.NET is a Web application framework developed by Microsoft to produce Dynamic web pages to build web sites,web services and web applications.

• Web application is an application and accessed by browser.
• It works on top of HTTP Protocol.
• The main browsers are IE,Chrome,FireFox.
• ASP.NET and ADO.NET is the subset of .NET framework.
• It is a Server Side Technology to built the web applications
• It uses the server Control to develop interactive applications.

What is the Framework ?

Framework is the collection of classes.

What is Dot NET ?
It is a framework

Why Dot Net ?
It provides Unified Application Development

History :

• It introduced in the year of 2002 .
• With the version of 1.0 and introduced BCL(Base Class Library).
• Before 2002 Microsoft used to build the application in Classic ASP.
• It built on the CLR(Common Language Runtime)
• Version 1.1 released in 24/8/2003.
• Version 2.0 released in 7/11/2005.
• Version 3.5 released in 19/11/2007.
• Version 4.0 released in 12/4/2010.
• Version 4.5 released in 15/8/2012.
• Version 4.5.1 released in 17/10/2013.
• Version 5.0 released in 23/2/2015

Advantages:

• we can access aplication from any where in the word just it needs the internet and Browser.
• it is the cross platform.
• No Need Desktop Application 
• It Reduces the line of code to develop the large Applications 
• it is easy to deploy because of built-in configuration information
• Code and HTML smoothly mix with each other to generate dynamic pages
• we can choose any language because it is Language Independent