The important transitions in the ASP.NET 3.5 Framework

Microsoft LINQ to SQL is a new query language that enables you to access a database without writing any SQL.

Two new data access controls introduced with the ASP.NET 3.5 Framework: the ListView and DataPager controls to display, page, sort and edit a set of or single database record at a time.

Various navigation controls included in the ASP.NET Framework, such as the TreeView and Menu controls. You can use these controls with a Site Map in order to allow users to easily navigate web site.

The Microsoft AJAX Extensions for ASP.NET are integrated into the ASP.NET 3.5 Framework. AJAX represents a transition from using server-side technologies to using client-side technologies when building web applications.

AJAX – Highly responsive and interactive web applications that behave more like desktop applications.