Table<Person> tbl = dc.GetTable<Person>();
            IQueryable<Person> q = tbl.Select(x => x);

            List<User> myList = new List<User>();
            foreach (var person in q)
            {
                User u = new User();
                u.FirstName = person.FirstName;
                u.LastName = person.LastName;

                myList.Add(u);
            }

            sampleDataGridView.DataSource = myList;