How long can a DataContext exist in EF and Linq2Sql?

Question

Can I store a DataContext for a long time? What will happen to Connection?

Answer 1

Some links that I found useful:

• LINQ to SQL and adding objects
• Tracking LINQ to SQL and Disabled Objects
• Linq to SQL DataContext Lifetime Management
• LINQ to SQL DataContext Life

Answer 2

; (). , , , (, -).

, , .

/ , , concurrency.

; SqlConnection ; ( ). , (SPID).