Microsoft.Extensions.Options 10.0.0-rc.1.25451.107

Prefix Reserved
This is a prerelease version of Microsoft.Extensions.Options.
dotnet add package Microsoft.Extensions.Options --version 10.0.0-rc.1.25451.107
                    
NuGet\Install-Package Microsoft.Extensions.Options -Version 10.0.0-rc.1.25451.107
                    
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="Microsoft.Extensions.Options" Version="10.0.0-rc.1.25451.107" />
                    
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageVersion Include="Microsoft.Extensions.Options" Version="10.0.0-rc.1.25451.107" />
                    
Directory.Packages.props
<PackageReference Include="Microsoft.Extensions.Options" />
                    
Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.
paket add Microsoft.Extensions.Options --version 10.0.0-rc.1.25451.107
                    
#r "nuget: Microsoft.Extensions.Options, 10.0.0-rc.1.25451.107"
                    
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
#:package Microsoft.Extensions.Options@10.0.0-rc.1.25451.107
                    
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package.
#addin nuget:?package=Microsoft.Extensions.Options&version=10.0.0-rc.1.25451.107&prerelease
                    
Install as a Cake Addin
#tool nuget:?package=Microsoft.Extensions.Options&version=10.0.0-rc.1.25451.107&prerelease
                    
Install as a Cake Tool

About

Microsoft.Extensions.Options provides a strongly typed way of specifying and accessing settings using dependency injection and acts as a bridge between configuration, DI, and higher level libraries. This library is the glue for how an app developer uses DI to configure the behavior of a library like HttpClient Factory. This also enables user to get a strongly-typed view of their configuration.

Within this package, you'll find an options validation source generator that generates exceptionally efficient and optimized code for validating options.

Key Features

  • Offer the IValidateOptions interface for the validation of options, along with several generic ValidateOptions classes that implement this interface.
  • OptionsBuilder to configure options.
  • Provide extension methods for service collections and options builder to register options and validate options.
  • Supply a set of generic ConfigureNamedOptions classes that implement the IConfigureNamedOptions interface for configuring named options.
  • Provide a source generator that generates validation code for options.
  • Options caching, managing and monitoring.

How to Use

Options validation example
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Options;

var builder = WebApplication.CreateBuilder(args);

builder.Services.AddControllersWithViews();

// Load the configuration and validate it
builder.Services.AddOptions<MyConfigOptions>()
            .Bind(builder.Configuration.GetSection(MyConfigOptions.MyConfig))
            .ValidateDataAnnotations();
var app = builder.Build();


// Declare the option class to validate
public class MyConfigOptions
{
    public const string MyConfig = "MyConfig";

    [RegularExpression(@"^[a-zA-Z''-'\s]{1,40}$")]
    public string Key1 { get; set; }
    [Range(0, 1000,
        ErrorMessage = "Value for {0} must be between {1} and {2}.")]
    public int Key2 { get; set; }
    public int Key3 { get; set; }
}
Using IValidateOptions to validate options
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Options;

var builder = WebApplication.CreateBuilder(args);

builder.Services.AddControllersWithViews();

// Configuration to validate
builder.Services.Configure<MyConfigOptions>(builder.Configuration.GetSection(
                                        MyConfigOptions.MyConfig));

// OPtions validation through the DI container
builder.Services.AddSingleton<IValidateOptions
                              <MyConfigOptions>, MyConfigValidation>();

var app = builder.Build();

public class MyConfigValidation : IValidateOptions<MyConfigOptions>
{
    public MyConfigOptions _config { get; private set; }

    public  MyConfigValidation(IConfiguration config)
    {
        _config = config.GetSection(MyConfigOptions.MyConfig)
            .Get<MyConfigOptions>();
    }

    public ValidateOptionsResult Validate(string name, MyConfigOptions options)
    {
        string? vor = null;
        var rx = new Regex(@"^[a-zA-Z''-'\s]{1,40}$");
        var match = rx.Match(options.Key1!);

        if (string.IsNullOrEmpty(match.Value))
        {
            vor = $"{options.Key1} doesn't match RegEx \n";
        }

        if ( options.Key2 < 0 || options.Key2 > 1000)
        {
            vor = $"{options.Key2} doesn't match Range 0 - 1000 \n";
        }

        if (_config.Key2 != default)
        {
            if(_config.Key3 <= _config.Key2)
            {
                vor +=  "Key3 must be > than Key2.";
            }
        }

        if (vor != null)
        {
            return ValidateOptionsResult.Fail(vor);
        }

        return ValidateOptionsResult.Success;
    }
}

Options Validation Source Generator Example
using System;
using System.ComponentModel.DataAnnotations;
using Microsoft.Extensions.Options;

public class MyConfigOptions
{
    [RegularExpression(@"^[a-zA-Z''-'\s]{1,40}$")]
    public string Key1 { get; set; }

    [Range(0, 1000,
        ErrorMessage = "Value for {0} must be between {1} and {2}.")]
    public int Key2 { get; set; }
    public int Key3 { get; set; }
}

[OptionsValidator]
public partial class MyConfigValidation : IValidateOptions<MyConfigOptions>
{
    // Source generator will automatically provide the implementation of IValidateOptions
    // Then you can add the validation to the DI Container using the following code:
    //
    // builder.Services.AddSingleton<IValidateOptions
    //                          <MyConfigOptions>, MyConfigValidation>();
    // builder.Services.AddOptions<MyConfigOptions>()
    //        .Bind(builder.Configuration.GetSection(MyConfigOptions.MyConfig))
    //        .ValidateDataAnnotations();
}

Main Types

The main types provided by this library are:

  • IOptions, IOptionsFactory, and IOptionsMonitor
  • IValidateOptions and ValidateOptions
  • OptionsBuilder, OptionsFactory, OptionsMonitor, and OptionsManager
  • OptionsServiceCollectionExtensions
  • OptionsValidatorAttribute

Additional Documentation

Microsoft.Extensions.Logging Microsoft.Extensions.Configuration

Feedback & Contributing

Microsoft.Extensions.Options is released as open source under the MIT license. Bug reports and contributions are welcome at the GitHub repository.

Product Compatible and additional computed target framework versions.
.NET net5.0 was computed.  net5.0-windows was computed.  net6.0 was computed.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 is compatible.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed.  net9.0 is compatible.  net9.0-android was computed.  net9.0-browser was computed.  net9.0-ios was computed.  net9.0-maccatalyst was computed.  net9.0-macos was computed.  net9.0-tvos was computed.  net9.0-windows was computed.  net10.0 is compatible.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
.NET Core netcoreapp2.0 was computed.  netcoreapp2.1 was computed.  netcoreapp2.2 was computed.  netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard2.0 is compatible.  netstandard2.1 is compatible. 
.NET Framework net461 was computed.  net462 is compatible.  net463 was computed.  net47 was computed.  net471 was computed.  net472 was computed.  net48 was computed.  net481 was computed. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen40 was computed.  tizen60 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (7.2K)

Showing the top 5 NuGet packages that depend on Microsoft.Extensions.Options:

Package Downloads
Microsoft.Extensions.Logging

Logging infrastructure default implementation for Microsoft.Extensions.Logging.

Microsoft.Extensions.Caching.Memory

In-memory cache implementation of Microsoft.Extensions.Caching.Memory.IMemoryCache.

Microsoft.Extensions.Options.ConfigurationExtensions

Provides additional configuration specific functionality related to Options.

Microsoft.AspNetCore.Http

ASP.NET Core default HTTP feature implementations.

Microsoft.Extensions.Http

The HttpClient factory is a pattern for configuring and retrieving named HttpClients in a composable way. The HttpClient factory provides extensibility to plug in DelegatingHandlers that address cross-cutting concerns such as service location, load balancing, and reliability. The default HttpClient factory provides built-in diagnostics and logging and manages the lifetimes of connections in a performant way. Commonly Used Types: System.Net.Http.IHttpClientFactory

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Version Downloads Last Updated
10.0.0-rc.1.25451.107 102,361 9/9/2025
10.0.0-preview.7.25380.108 108,969 8/12/2025
10.0.0-preview.6.25358.103 83,328 7/15/2025
10.0.0-preview.5.25277.114 201,450 6/6/2025
10.0.0-preview.4.25258.110 108,341 5/12/2025
10.0.0-preview.3.25171.5 134,378 4/10/2025
10.0.0-preview.2.25163.2 86,013 3/18/2025
10.0.0-preview.1.25080.5 169,970 2/25/2025
9.0.9 3,756,099 9/9/2025
9.0.8 10,035,857 8/4/2025
9.0.7 9,609,673 7/8/2025
9.0.6 12,371,356 6/10/2025
9.0.5 16,020,016 5/13/2025
9.0.4 24,459,110 4/8/2025
9.0.3 18,309,262 3/11/2025
9.0.2 24,605,904 2/11/2025
9.0.1 29,033,291 1/14/2025
9.0.0 101,341,729 11/12/2024
9.0.0-rc.2.24473.5 1,148,836 10/8/2024
9.0.0-rc.1.24431.7 630,717 9/10/2024
9.0.0-preview.7.24405.7 1,049,232 8/13/2024
9.0.0-preview.6.24327.7 469,306 7/9/2024
9.0.0-preview.5.24306.7 289,678 6/11/2024
9.0.0-preview.4.24266.19 269,652 5/21/2024
9.0.0-preview.3.24172.9 414,341 4/11/2024
9.0.0-preview.2.24128.5 245,643 3/12/2024
9.0.0-preview.1.24080.9 276,476 2/13/2024
8.0.2 305,591,759 2/13/2024
8.0.1 45,472,708 1/9/2024
8.0.0 438,937,756 11/14/2023
8.0.0-rc.2.23479.6 3,152,209 10/10/2023
8.0.0-rc.1.23419.4 1,734,626 9/12/2023
8.0.0-preview.7.23375.6 941,098 8/8/2023
8.0.0-preview.6.23329.7 527,928 7/11/2023
8.0.0-preview.5.23280.8 388,412 6/13/2023
8.0.0-preview.4.23259.5 655,199 5/16/2023
8.0.0-preview.3.23174.8 558,068 4/11/2023
8.0.0-preview.2.23128.3 364,787 3/14/2023
8.0.0-preview.1.23110.8 366,344 2/21/2023
7.0.1 139,676,338 2/14/2023
7.0.0 312,008,069 11/7/2022
7.0.0-rc.2.22472.3 3,915,147 10/11/2022
7.0.0-rc.1.22426.10 475,233 9/14/2022
7.0.0-preview.7.22375.6 428,700 8/9/2022
7.0.0-preview.6.22324.4 281,691 7/12/2022
7.0.0-preview.5.22301.12 200,539 6/14/2022
7.0.0-preview.4.22229.4 435,855 5/10/2022
7.0.0-preview.3.22175.4 198,790 4/13/2022
7.0.0-preview.2.22152.2 270,246 3/14/2022
7.0.0-preview.1.22076.8 178,451 2/17/2022
6.0.1 7,560,041 11/12/2024
6.0.0 818,803,240 11/8/2021
6.0.0-rc.2.21480.5 1,971,933 10/12/2021
6.0.0-rc.1.21451.13 743,513 9/14/2021
6.0.0-preview.7.21377.19 794,711 8/10/2021
6.0.0-preview.6.21352.12 373,393 7/14/2021
6.0.0-preview.5.21301.5 367,129 6/15/2021
6.0.0-preview.4.21253.7 207,126 5/24/2021
6.0.0-preview.3.21201.4 672,499 4/8/2021
6.0.0-preview.2.21154.6 223,174 3/11/2021 6.0.0-preview.2.21154.6 is deprecated because it is no longer maintained.
6.0.0-preview.1.21102.12 574,271 2/12/2021 6.0.0-preview.1.21102.12 is deprecated because it is no longer maintained.
5.0.0 596,147,017 11/9/2020 5.0.0 is deprecated because it is no longer maintained.
5.0.0-rc.2.20475.5 1,083,829 10/13/2020 5.0.0-rc.2.20475.5 is deprecated because it is no longer maintained.
5.0.0-rc.1.20451.14 840,890 9/14/2020 5.0.0-rc.1.20451.14 is deprecated because it is no longer maintained.
5.0.0-preview.8.20407.11 615,281 8/25/2020 5.0.0-preview.8.20407.11 is deprecated because it is no longer maintained.
5.0.0-preview.7.20364.11 257,870 7/21/2020 5.0.0-preview.7.20364.11 is deprecated because it is no longer maintained.
5.0.0-preview.6.20305.6 172,390 6/25/2020 5.0.0-preview.6.20305.6 is deprecated because it is no longer maintained.
5.0.0-preview.5.20278.1 100,412 6/10/2020 5.0.0-preview.5.20278.1 is deprecated because it is no longer maintained.
5.0.0-preview.4.20251.6 326,274 5/18/2020 5.0.0-preview.4.20251.6 is deprecated because it is no longer maintained.
5.0.0-preview.3.20215.2 246,253 4/23/2020 5.0.0-preview.3.20215.2 is deprecated because it is no longer maintained.
5.0.0-preview.2.20160.3 360,519 4/2/2020 5.0.0-preview.2.20160.3 is deprecated because it is no longer maintained.
5.0.0-preview.1.20120.4 184,380 3/16/2020 5.0.0-preview.1.20120.4 is deprecated because it is no longer maintained.
3.1.32 35,266,743 12/13/2022
3.1.31 4,131,676 11/8/2022
3.1.30 3,034,661 10/11/2022
3.1.29 2,920,853 9/13/2022
3.1.28 7,313,924 8/9/2022
3.1.27 2,716,304 7/12/2022
3.1.26 2,204,862 6/14/2022
3.1.25 3,803,981 5/10/2022
3.1.24 4,790,063 4/11/2022
3.1.23 4,721,268 3/8/2022
3.1.22 24,198,925 12/14/2021
3.1.21 12,786,860 11/7/2021
3.1.20 5,940,052 10/11/2021
3.1.19 5,913,593 9/14/2021
3.1.18 73,838,332 8/10/2021
3.1.17 7,804,755 7/13/2021
3.1.16 16,848,493 6/8/2021
3.1.15 9,502,468 5/11/2021
3.1.14 20,908,548 4/6/2021
3.1.13 16,422,749 3/9/2021
3.1.12 12,686,170 2/9/2021
3.1.11 22,132,903 1/12/2021
3.1.10 31,613,668 11/9/2020
3.1.9 85,476,317 10/13/2020
3.1.8 81,422,166 9/8/2020
3.1.7 45,292,770 8/11/2020
3.1.6 49,627,193 7/14/2020
3.1.5 49,114,121 6/9/2020
3.1.4 70,704,639 5/12/2020
3.1.3 147,102,710 3/24/2020
3.1.2 85,011,341 2/18/2020
3.1.1 48,393,538 1/14/2020
3.1.0 248,922,353 12/3/2019
3.1.0-preview3.19553.2 2,351,995 11/13/2019 3.1.0-preview3.19553.2 is deprecated because it is no longer maintained.
3.1.0-preview2.19525.4 253,840 11/1/2019 3.1.0-preview2.19525.4 is deprecated because it is no longer maintained.
3.1.0-preview1.19506.1 1,361,681 10/15/2019 3.1.0-preview1.19506.1 is deprecated because it is no longer maintained.
3.0.3 92,832,275 2/18/2020 3.0.3 is deprecated because it is no longer maintained.
3.0.2 1,228,994 1/14/2020 3.0.2 is deprecated because it is no longer maintained.
3.0.1 6,150,427 11/18/2019 3.0.1 is deprecated because it is no longer maintained.
3.0.0 193,236,021 9/23/2019 3.0.0 is deprecated because it is no longer maintained.
3.0.0-rc1.19456.10 186,607 9/16/2019 3.0.0-rc1.19456.10 is deprecated because it is no longer maintained.
3.0.0-preview9.19423.4 1,728,344 9/4/2019 3.0.0-preview9.19423.4 is deprecated because it is no longer maintained.
3.0.0-preview8.19405.4 635,651 8/13/2019 3.0.0-preview8.19405.4 is deprecated because it is no longer maintained.
3.0.0-preview7.19362.4 202,860 7/23/2019 3.0.0-preview7.19362.4 is deprecated because it is no longer maintained.
3.0.0-preview6.19304.6 514,439 6/12/2019 3.0.0-preview6.19304.6 is deprecated because it is no longer maintained.
3.0.0-preview5.19227.9 851,107 5/6/2019 3.0.0-preview5.19227.9 is deprecated because it is no longer maintained.
3.0.0-preview4.19216.2 56,423 4/18/2019 3.0.0-preview4.19216.2 is deprecated because it is no longer maintained.
3.0.0-preview3.19153.1 349,256 3/6/2019 3.0.0-preview3.19153.1 is deprecated because it is no longer maintained.
3.0.0-preview.19074.2 180,166 1/29/2019 3.0.0-preview.19074.2 is deprecated because it is no longer maintained.
3.0.0-preview.18572.1 168,916 12/4/2018 3.0.0-preview.18572.1 is deprecated because it is no longer maintained.
2.2.0 760,404,144 12/3/2018 2.2.0 is deprecated because it is no longer maintained.
2.2.0-preview3-35497 625,124 10/17/2018 2.2.0-preview3-35497 is deprecated because it is no longer maintained.
2.2.0-preview2-35157 573,393 9/12/2018 2.2.0-preview2-35157 is deprecated because it is no longer maintained.
2.2.0-preview1-35029 269,139 8/22/2018 2.2.0-preview1-35029 is deprecated because it is no longer maintained.
2.1.1 570,778,071 6/18/2018
2.1.0 505,754,450 5/29/2018
2.1.0-rc1-final 732,900 5/6/2018 2.1.0-rc1-final is deprecated because it is no longer maintained.
2.1.0-preview2-final 957,934 4/10/2018 2.1.0-preview2-final is deprecated because it is no longer maintained.
2.1.0-preview1-final 847,014 2/26/2018 2.1.0-preview1-final is deprecated because it is no longer maintained.
2.0.2 38,626,941 5/7/2018 2.0.2 is deprecated because it is no longer maintained.
2.0.1 58,827,642 3/13/2018 2.0.1 is deprecated because it is no longer maintained.
2.0.0 617,438,853 8/11/2017 2.0.0 is deprecated because it is no longer maintained.
2.0.0-preview2-final 483,802 6/28/2017 2.0.0-preview2-final is deprecated because it is no longer maintained.
2.0.0-preview1-final 1,164,957 5/10/2017 2.0.0-preview1-final is deprecated because it is no longer maintained.
1.1.2 27,440,333 5/9/2017 1.1.2 is deprecated because it is no longer maintained.
1.1.1 23,003,195 3/6/2017 1.1.1 is deprecated because it is no longer maintained.
1.1.0 17,832,457 11/16/2016 1.1.0 is deprecated because it is no longer maintained.
1.1.0-preview1-final 314,905 10/24/2016 1.1.0-preview1-final is deprecated because it is no longer maintained.
1.0.2 122,975,324 3/6/2017 1.0.2 is deprecated because it is no longer maintained.
1.0.1 3,814,955 12/12/2016 1.0.1 is deprecated because it is no longer maintained.
1.0.0 342,319,311 6/27/2016 1.0.0 is deprecated because it is no longer maintained.
1.0.0-rc2-final 2,099,269 5/16/2016 1.0.0-rc2-final is deprecated because it is no longer maintained.