Not returning any value in MongoDB using MongoClient C#

Question

Hi,

 

I have written following code.Code run fine but its not returning any value but my table have more than 500 records. Please do reply ASAP.

static void Main(string[] args)
        {
            CallMain(args).Wait();
            Console.ReadLine();
        }

        static async Task CallMain(string[] args)
        {
            var conString = "myConnectionString";
            var Client = new MongoClient(conString);
            var DB = Client.GetDatabase("DatabaseName");
            var collection = DB.GetCollection<BsonDocument>("TableName");
            using (var cursor = await collection.Find(new BsonDocument()).ToCursorAsync())
            {
                while (await cursor.MoveNextAsync())
                {
                    foreach (var doc in cursor.Current)
                    {
                        Console.WriteLine(doc);
                    }
                }
            }