Microsoft Dot Net Technology (.NET) is a platform developed by Microsoft which supports many programming languages. It is produced mainly to decrease the effort of the developers to develop the applications in any programming language. The programs created using .NET are very efficient in performance. The new technologies introduced into .NET like WPF, Silverlight are very useful to create rich User Interfaces with high performance and scalability. At present-day, the software majors require a platform where they can code smart as well as fast. In this regard, .NET is the best technology available in the market.