如何在ASP.NET MVC中选择数据访问方法？

I've been programming in C# 2.0 WinForms for a while now. I'm starting to get into ASP.NET and the new MVC framework and the new features of C# 3.5. I've only read a little on LINQ to SQL but have made a few test apps to try it out. In my WinForms apps, I usually had some sort of data access layer, and wrote all the SQL myself. Of course, if something can do that CRUD for me, I'm all for it.I've been programming in C# 2.0 WinForms for a