ASP.NET MVC, JQuery, ASP.NET AJAX andADO.NET Entity Framework are the hottest components of .NET Framework. These components may already be integrated in forthcoming .NET Framework 4.0. Most of the experts are using these components to build cutting-edge killer Web applications.
ADO.NET Data Entity Framework is another component added to .NET 4.0. It allows us to build Fully-Functional data-driven applications using ASP.NET and ADO.NET without writing even a single line of code. These applications allow you to add, edit, delete, sort, page, and find data in your application. This is must if you are building a data-driven application using ASP.NET 3.5. You can build a fully-functional application in 10 minutes.