Find and delete the specified document in MongoDB using C# can achieve by using FindOneAndDeleteAsync() function in MongoDB 2.0 driver with .net 4.5, it deletes the inputted document.

In the below example MasterIds is the collection name and MasterID is the column name and deleting the MasterID with value 11630

C#: .Net 4.5 MongoDB 2.0 driver

using System;
using System.Threading.Tasks;
using MongoDB.Bson;
using MongoDB.Driver.Core;
using MongoDB.Driver;

namespace FindAnd2
    class Program
        static void Main(string[] args)

        static async Task callMain(string[] args)
            var conString = "mongodb://localhost:27017";
            var Client = new MongoClient(conString);
            var DB = Client.GetDatabase("test");
            var collection = DB.GetCollection<BsonDocument>("MasterIds");

            //find the MasterID with 11630 and delete it
            var result = await collection.FindOneAndDeleteAsync(
                         Builders<BsonDocument>.Filter.Eq("MasterID", 11630),
                         new FindOneAndDeleteOptions<BsonDocument>
                         Sort = Builders<BsonDocument>.Sort.Descending("MasterID")

            //result conatins the deleted reocord details