What is the Major Difference between Entity Framework of ASP.Net 4.0 and Entity Classes which is written by developer?
<p>Before entity Framework, Developer was writing the code Entity Classes which is contains the getter &amp; Setters Method for Data Table Fields (Columns). </p>

<p>what is the purpose of introduce Entity Framework, and what's different between Entity Framework and Older traditional way to write down Entity Classes?</p>
