“Cannot call methods on DateTime”, and other limitations

Question

Does anyone know of a definitive list of LINQ to SQL query limitations that are not trapped at compile time, along with (where possible) workarounds for the limitations?

Answer 1

I created a Connect issue for String.IsNullOrEmpty():

Feedback: I want to use string.IsNullOrEmpty in LINQ to SQL statements.

Feel free to add your voice or vote to it, or to create other Connect issues for the various other methods that don't work in Linq to SQL. The squeaky wheel gets the grease.