Q:

How do I convert this loop into a LINQ expression?

How do I convert this loop into a LINQ expression?
foreach (var user in customer.Users)
{
    repositoryManager.Users.Delete(user);
}

A:

You can't.
LINQ is for Queries, not for actions.

A:

customer.Users.ForEach(user => repositoryManager.Users.Delete(user));

