private IEnumerable<IGrouping<int, PersonView>> GroupPersonByBirthYear()
        {
            using (var dbContext = new CinameNetworkEntities())
            {
                var people = dbContext.Person.Select(x => new PersonView()
                {
                    Name = x.FirstName + " " + x.LastName,
                    BirthYear = x.BirthYear
                }).ToList<PersonView>();

                IEnumerable<IGrouping<int, PersonView>> groupedByYear = people.GroupBy(x => x.BirthYear);

                return groupedByYear;
            }
        }
        public void UploadMongToSql(string dbName, string host)
        {
            List<PersonMongo> peopleCollection = dbController.GetPersonDataCollection(dbName, host);

            using (var db = new CinameNetworkEntities())
            {
                var personCollection = new List<Person>();
                foreach (var person in peopleCollection)
                {
                    personCollection.Add(GetPersonFromPersonMongo(person));
                }

                db.Person.AddRange(personCollection);
                db.SaveChanges();
                Console.WriteLine("Success!");
            }

            Console.WriteLine("Press Enter");
            Console.ReadLine();
        }