MongoDB.Bson 3.5.0

MongoDB C# Driver

MongoDB.Driver Documentation Documentation License

The official MongoDB .NET/C# driver.

The MongoDB .NET/C# driver follows semantic versioning since v3.0.0 of its releases.

Getting Started

Untyped Documents

using MongoDB.Bson;
using MongoDB.Driver;

var client = new MongoClient("mongodb://localhost:27017");
var database = client.GetDatabase("foo");
var collection = database.GetCollection<BsonDocument>("bar");

await collection.InsertOneAsync(new BsonDocument("Name", "Jack"));

var list = await collection.Find(new BsonDocument("Name", "Jack"))
    .ToListAsync();

foreach(var document in list)
{
    Console.WriteLine(document["Name"]);
}

Typed Documents

using MongoDB.Bson;
using MongoDB.Driver;

public class Person
{
    public ObjectId Id { get; set; }
    public string Name { get; set; }
}

var client = new MongoClient("mongodb://localhost:27017");
var database = client.GetDatabase("foo");
var collection = database.GetCollection<Person>("bar");

await collection.InsertOneAsync(new Person { Name = "Jack" });

var list = await collection.Find(x => x.Name == "Jack")
    .ToListAsync();

foreach(var person in list)
{
    Console.WriteLine(person.Name);
}

Documentation

Questions/Bug Reports

If you’ve identified a security vulnerability in a driver or any other MongoDB project, please report it according to the instructions here.

Contributing

Please see our guidelines for contributing to the driver.

Thank you to everyone who has contributed to this project.

Showing the top 20 packages that depend on MongoDB.Bson.

Packages Downloads
MongoDB.Driver
Official .NET driver for MongoDB.
 133
MongoDB.Driver
Official .NET driver for MongoDB.
 91
MongoDB.Driver
Official .NET driver for MongoDB.
 76
MongoDB.Driver.GridFS
GridFS Component of the Official MongoDB .NET Driver.
 76
MongoDB.Driver
Official .NET driver for MongoDB.
 66
MongoDB.Driver.Core
Core Component of the Official MongoDB .NET Driver.
 47
MongoDB.Driver.Core
Core Component of the Official MongoDB .NET Driver.
 46
MongoDB.Driver
Official .NET driver for MongoDB.
 43
MongoDB.Driver.Core
Core Component of the Official MongoDB .NET Driver.
 38
MongoDB.Driver.Core
Core Component of the Official MongoDB .NET Driver.
 35
MongoDB.Driver.Core
Core Component of the Official MongoDB .NET Driver.
 34
MongoDB.Driver.Core
Core Component of the Official MongoDB .NET Driver.
 32
MongoDB.Driver
Official .NET driver for MongoDB.
 30
mongocsharpdriver
This package contains the legacy driver. The new driver's package name is MongoDB.Driver
 27
mongocsharpdriver
This package contains the legacy driver. The new driver's package name is MongoDB.Driver
 26
MongoDB.Driver.Core
Core Component of the Official MongoDB .NET Driver.
 24
ExtentReports
Extent Reporting Framework (.Net Standard), Community Edition
 24
mongocsharpdriver
This package contains the legacy driver. The new driver's package name is MongoDB.Driver.
 24

https://github.com/mongodb/mongo-csharp-driver/releases/tag/v3.5.0

.NET Framework 4.7.2

.NET 6.0

.NET Standard 2.1

Version Downloads Last updated
3.5.0 7 09/14/2025
3.4.3 7 08/24/2025
3.4.2 7 07/29/2025
3.4.1 8 07/18/2025
3.4.0 14 05/03/2025
3.3.0 17 03/30/2025
3.2.1 16 02/26/2025
3.2.0 15 02/19/2025
3.1.0 18 12/19/2024
3.0.0 17 11/14/2024
2.30.0 18 11/13/2024
2.29.0 20 10/06/2024
2.28.0 19 10/06/2024
2.27.0 18 10/06/2024
2.26.0 19 10/06/2024
2.25.0 19 10/06/2024
2.24.0 24 06/12/2024
2.23.2 17 10/06/2024
2.23.1 17 10/06/2024
2.23.0 19 10/06/2024
2.22.0 22 03/07/2024
2.21.0 16 10/06/2024
2.20.0 17 10/06/2024
2.19.2 22 10/06/2024
2.19.1 17 10/06/2024
2.19.0 20 10/06/2024
2.18.0 20 12/21/2022
2.17.1 19 10/06/2024
2.17.0 20 10/06/2024
2.16.1 18 07/03/2022
2.16.0 18 10/06/2024
2.15.1 25 08/15/2022
2.15.0 19 07/07/2022
2.14.1 56 12/29/2021
2.14.0 16 10/06/2024
2.14.0-beta1 18 10/06/2024
2.13.3 20 04/25/2023
2.13.2 46 12/03/2021
2.13.1 38 12/30/2021
2.13.0 33 01/17/2022
2.13.0-beta1 17 10/06/2024
2.12.5 17 10/06/2024
2.12.4 16 03/14/2022
2.12.3 23 01/10/2022
2.12.2 21 10/06/2024
2.12.1 17 10/06/2024
2.12.0 18 10/06/2024
2.12.0-beta1 16 10/06/2024
2.11.6 85 12/16/2021
2.11.5 16 10/06/2024
2.11.4 18 10/06/2024
2.11.3 19 07/12/2022
2.11.2 17 11/23/2022
2.11.1 17 10/06/2024
2.11.0 16 10/06/2024
2.11.0-beta2 17 10/06/2024
2.11.0-beta1 15 10/06/2024
2.10.4 19 10/06/2024
2.10.3 20 10/06/2024
2.10.2 17 11/25/2024
2.10.1 18 10/06/2024
2.10.0 19 12/02/2022
2.10.0-beta1 18 10/06/2024
2.9.3 19 10/06/2024
2.9.2 19 10/06/2024
2.9.1 19 10/06/2024
2.9.0 19 10/06/2024
2.9.0-beta2 19 10/06/2024
2.9.0-beta1 17 10/06/2024
2.8.1 19 10/06/2024
2.8.0 19 10/06/2024
2.7.3 16 10/06/2024
2.7.2 18 10/06/2024
2.7.1 19 10/06/2024
2.7.0 21 10/06/2024
2.7.0-beta0001 20 10/06/2024
2.6.1 20 10/06/2024
2.6.0 18 10/06/2024
2.5.1 18 10/06/2024
2.5.0 17 10/06/2024
2.4.4 17 10/06/2024
2.4.3 18 10/06/2024
2.4.2 17 10/06/2024
2.4.1 19 10/06/2024
2.4.0 20 10/06/2024
2.4.0-beta1 17 10/06/2024
2.3.0 27 05/19/2022
2.3.0-rc1 19 10/06/2024
2.3.0-beta1 18 10/06/2024
2.2.4 20 10/06/2024
2.2.3 20 10/06/2024
2.2.2 19 10/06/2024
2.2.1 21 10/06/2024
2.2.0 18 10/06/2024
2.2.0-rc0 20 10/06/2024
2.1.1 20 10/06/2024
2.1.0 19 10/06/2024
2.1.0-rc1 17 10/06/2024
2.1.0-rc0 17 10/06/2024
2.0.2 17 10/06/2024
2.0.1 18 10/06/2024
2.0.0 18 10/06/2024
2.0.0-rc0 18 10/06/2024
2.0.0-beta4 18 10/06/2024
2.0.0-beta3 18 10/06/2024
2.0.0-beta2 17 10/06/2024
2.0.0-beta1 17 10/06/2024