Linq to SQL: Is it better to have a small DataContext for each page or a global one?

Question

I am trying out Linq to SQL in an ASP.NET application that uses a large database with lots of foreign keys (100+ tables). I am impressed with how Linq permits you to create

Answer 1

This page http://www.albahari.com/nutshell/10linqmyths.aspx (see Myth #10) says it's better to use short-lived DataContext instances.