public static void DemoContainsConstants() {
nwDataContext db = new nwDataContext(Connections.ConnectionString);

var query =
from c in db.Customers
where (new string[] { "London", "Seattle" }).Contains(c.City)
select new { c.CustomerID, c.CompanyName, c.City };

Console.WriteLine(query);

foreach (var c in query) {
	Console.WriteLine(c);
}
}
