Microsoft introduced Dot Net programming concepts in the year 1999. Dot Net contains a collection of languages like VC#.Net, VB.Net, VJ#.Net, VC++.Net, ASP.Net (specification)…etc. All the Dot Net programming languages works based on a common platform called Dot Net framework. It provides an Environment for building, deploying and running web services and other applications like Console applications, Windows based applications, Web sites. It is a Common architecture for all .net programming languages.