DoLogic.cs

public async void DoLogic()
		{
			BsonDocument document;


			Console.WriteLine("This program will generate some data when option A is selected.");
            Console.WriteLine("Option B  will find some data.");
            Console.WriteLine("Option C (any other input) will display data from database.");
			var input = Console.ReadLine();

			Random rnd = new Random ();
			double price = 0;
			price = rnd.NextDouble () * (1000.00 - 0.00) + 0.00;
			if (input.Equals("A"))
			{
				document = new BsonDocument
				{
					{ "name",  "Hot dog"},
					{ "price", price },

				};

				string outcome = await CreateDocument ("book", document);
				Console.WriteLine(outcome);
			}
			else if (input.Equals("B"))
            {
                document = await SearchFirstDocumentResult("book", "name", "Hotdog");
                Console.WriteLine(document.ToString() + "\n\n");
                Console.Read();
			}
			else
			{
                List<BsonDocument> documents = await GetData("book");
                foreach (var doc in documents)
                {
                    Console.WriteLine(doc.ToString() + "\n\n");
                }
			    Console.Read();
			}

			//wait
			Console.ReadLine();
		}