Select records that does not exist in another table in Entity Framework

Question

I have two tables - \"Customer\" table and \"Blacklist\" customer table. When I blacklist a customer, I put the customerid as a foreign key to Blacklist table.

What

Answer 1

How about something like this:

var subselect = (from b in BlackList select b.CusId).ToList();

var result = from c in Customer where !subselect.Contains(c.CusId) select c;