ASP .NET built on .net framework. Asp .net is a web development tool. Asp .net is offered by Microsoft. We can built dynamic websites by using asp .net. Asp .net was first released in January 2002 with version 1.0 of the .net framework. It is the successor of Microsoft\'s ASP. .NET Framework consists of many class libraries, support multiple languages and a common execution platform. Asp .net is a program run in IIS server. Asp .net is also called Asp+. Every element in Asp .net is treated as object and run on server. Asp .net is a event driven programming language. Most html tags are used by Asp .net. Asp .net allows the developer to build applications faster. Asp .net is a server side scripting.