ExperienceWihMongoUniversity1

 class Program
    {
        public class Person
        {
            public ObjectId Id { get; set; }
            public string FirstName { get; set; }
            public string LastName { get; set; }
        }

        public class MongoFirstConcept
        {
            public void InsertPeople()
            {
                var peopleCollection = GetPeopleCollection();

                peopleCollection.InsertOneAsync(new Person() { FirstName = "John", LastName = "Smith" });
                peopleCollection.InsertOneAsync(new Person() { FirstName = "Will", LastName = "Smith" });
            }

            public async void RetrievePeople1()
            {
                Console.WriteLine("RetrievePeople1");
                var people = await GetPeopleCollection().Find(_ => true).ToListAsync();
                foreach (var person in people)
                {
                    Console.WriteLine(person.FirstName);
                }
            }

            public async void RetrievePeople2()
            {
                Console.WriteLine("RetrievePeople2");
                using (var cursor = await GetPeopleCollection().FindAsync(_ => true))
                {
                    while (await cursor.MoveNextAsync())
                    {

                        var batch = cursor.Current;
                        foreach (var person in batch)
                        {
                            Console.WriteLine(person.FirstName);
                        }
                    }
                }
            }

            public void Run()
            {
                InsertPeople();
                RetrievePeople1();
                RetrievePeople2();
            }

            private IMongoCollection<Person> GetPeopleCollection()
            {
                MongoClient client = new MongoClient();
                var db = client.GetDatabase("test");
                return db.GetCollection<Person>("people");
            }
        }

        static void Main(string[] args)
        {
            new MongoFirstConcept().Run();
            Console.ReadLine();
        }
    }