FluentValidation 8.1.0

Prefix Reserved
.NET Standard 1.1 This package targets .NET Standard 1.1. The package is compatible with this framework or higher. .NET Framework 4.5 This package targets .NET Framework 4.5. The package is compatible with this framework or higher.
There is a newer version of this package available.
See the version list below for details. 
dotnet add package FluentValidation --version 8.1.0                

                    
                

            
NuGet\Install-Package FluentValidation -Version 8.1.0
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="FluentValidation" Version="8.1.0" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
paket add FluentValidation --version 8.1.0                

                    
                

            
#r "nuget: FluentValidation, 8.1.0"
#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. 
// Install FluentValidation as a Cake Addin
#addin nuget:?package=FluentValidation&version=8.1.0

// Install FluentValidation as a Cake Tool
#tool nuget:?package=FluentValidation&version=8.1.0

A validation library for .NET that uses a fluent interface to construct strongly-typed validation rules.

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 was computed.  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. 
.NET Core netcoreapp1.0 was computed.  netcoreapp1.1 was computed.  netcoreapp2.0 was computed.  netcoreapp2.1 was computed.  netcoreapp2.2 was computed.  netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard1.1 is compatible.  netstandard1.2 was computed.  netstandard1.3 was computed.  netstandard1.4 was computed.  netstandard1.5 was computed.  netstandard1.6 is compatible.  netstandard2.0 is compatible.  netstandard2.1 was computed. 
.NET Framework net45 is compatible.  net451 was computed.  net452 was computed.  net46 was computed.  net461 was computed.  net462 was computed.  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 tizen30 was computed.  tizen40 was computed.  tizen60 was computed. 
Universal Windows Platform uap was computed.  uap10.0 was computed. 
Windows Phone wpa81 was computed. 
Windows Store netcore was computed.  netcore45 was computed.  netcore451 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 (2.2K)

Showing the top 5 NuGet packages that depend on FluentValidation:

Package Downloads
FluentValidation.DependencyInjectionExtensions

Dependency injection extensions for FluentValidation
FluentValidation.AspNetCore

AspNetCore integration for FluentValidation
MicroElements.Swashbuckle.FluentValidation

Swagger ISchemaFilter that uses FluentValidation validators instead System.ComponentModel based attributes.
Ocelot

Ocelot is an API gateway based on .NET stack.
FluentValidation.WebAPI

ASP.NET WebApi integration for FluentValidation

GitHub repositories (211)

Showing the top 5 popular GitHub repositories that depend on FluentValidation:

Repository Stars
abpframework/abp
Open-source web application framework for ASP.NET Core! Offers an opinionated architecture to build enterprise software solutions with best practices on top of the .NET. Provides the fundamental infrastructure, cross-cutting-concern implementations, startup templates, application modules, UI themes, tooling and documentation.
aspnetboilerplate/aspnetboilerplate
ASP.NET Boilerplate - Web Application Framework
kgrzybek/modular-monolith-with-ddd
Full Modular Monolith application with Domain-Driven Design approach.
Sonarr/Sonarr
Smart PVR for newsgroup and bittorrent users.
dotnet-architecture/eShopOnWeb
Sample ASP.NET Core 8.0 reference application, powered by Microsoft, demonstrating a layered application architecture with monolithic deployment model. Download the eBook PDF from docs folder.
Version Downloads Last updated
11.10.0 84,371 9/15/2024
11.9.2 7,296,104 6/10/2024
11.9.1 5,381,884 4/23/2024
11.9.0 17,694,636 12/21/2023
11.8.1 4,688,287 11/22/2023
11.8.0 5,942,264 10/19/2023
11.7.1 8,323,902 8/12/2023
11.7.0 102,691 8/11/2023
11.6.0 6,448,680 7/4/2023
11.5.2 14,528,466 4/7/2023
11.5.1 31,133,831 2/20/2023
11.5.0 1,979,950 2/13/2023
11.4.0 15,243,598 11/23/2022
11.3.0 2,861,849 11/10/2022
11.2.2 13,305,299 9/11/2022
11.2.1 19,134,415 8/28/2022
11.2.0 6,728,056 8/8/2022
11.1.1 544,150 8/6/2022
11.1.0 10,997,457 6/22/2022
11.0.3 2,940,641 6/10/2022
11.0.2 4,228,015 5/27/2022
11.0.1 5,744,468 5/7/2022
11.0.0 4,398,342 4/30/2022
10.4.0 16,995,928 3/11/2022
10.3.6 23,433,318 12/13/2021
10.3.5 2,890,840 11/30/2021
10.3.4 8,923,337 10/22/2021
10.3.3 10,603,596 8/24/2021
10.3.1 659,607 8/19/2021
10.3.0 7,501,706 7/9/2021
10.2.3 7,404,955 6/3/2021
10.2.2 419,138 6/1/2021
10.2.1 1,243,746 5/30/2021
10.2.0 332,395 5/28/2021
10.1.0 4,792,201 4/28/2021
10.0.4 3,853,119 4/17/2021
9.5.4 4,751,812 4/5/2021
9.5.3 3,753,264 3/15/2021
9.5.2 1,779,274 3/8/2021
9.5.1 6,250,005 2/11/2021
9.5.0 2,946,097 1/31/2021
9.4.0 2,835,783 1/14/2021
9.3.0 13,119,224 11/10/2020
9.3.0-preview3 36,668 10/19/2020
9.3.0-preview2 144,409 9/15/2020
9.3.0-preview1 12,919 8/26/2020
9.2.2 6,678,092 9/20/2020
9.2.1 26,104 9/19/2020
9.2.0 7,360,650 8/26/2020
9.1.3 984,365 8/19/2020
9.1.2 897,095 8/12/2020
9.1.1 639,634 8/8/2020
9.1.0 159,238 8/8/2020
9.0.1 5,035,461 7/14/2020
9.0.0-preview5 87,169 5/23/2020
9.0.0-preview4 137,602 4/22/2020
9.0.0-preview3 190,821 2/29/2020
9.0.0-preview2 32,006 2/21/2020
9.0.0-preview1 93,398 2/8/2020
8.6.3 6,053,654 8/28/2020
8.6.2 25,844,842 2/29/2020
8.6.1 11,784,138 12/28/2019
8.6.0 3,970,687 12/4/2019
8.5.1 3,612,213 11/2/2019
8.5.0 5,704,211 9/24/2019
8.5.0-preview5 66,412 9/1/2019
8.5.0-preview4 93,203 7/23/2019
8.5.0-preview3 31,107 7/10/2019
8.5.0-preview2 74,721 6/13/2019
8.5.0-preview1 57,672 5/10/2019
8.4.0 13,313,550 5/10/2019
8.3.0 3,770,598 4/24/2019
8.2.3 647,670 4/12/2019
8.2.2 967,228 4/5/2019
8.2.1 439,090 4/4/2019
8.2.0 1,020,340 3/26/2019
8.1.3 4,933,256 1/25/2019
8.1.2 2,242,502 12/18/2018
8.1.1 563,365 12/11/2018
8.1.0 648,790 12/6/2018
8.1.0-preview2 29,087 11/14/2018
8.1.0-preview1 27,535 10/14/2018
8.0.101 817,963 11/24/2018
8.0.100 3,753,436 9/4/2018
8.0.0 1,030,500 8/16/2018
8.0.0-rc1 52,270 7/24/2018
8.0.0-preview4 25,458 7/16/2018
8.0.0-preview3 23,996 7/13/2018
8.0.0-preview2 23,799 7/13/2018
7.6.105 1,526,255 8/11/2018
7.6.104 2,670,269 7/6/2018
7.6.103 1,238,116 6/16/2018
7.6.102 307,346 6/14/2018
7.6.101 75,089 6/13/2018
7.6.100 167,907 6/7/2018
7.6.0 380,507 6/1/2018
7.6.0-preview1 47,862 4/12/2018
7.5.2 3,674,970 3/16/2018
7.5.1 254,883 3/11/2018
7.5.0 725,794 2/26/2018
7.4.0 1,781,379 1/26/2018
7.3.4 1,025,189 1/2/2018
7.3.3 181,861 12/22/2017
7.3.2 70,733 12/21/2017
7.3.1 319,728 12/13/2017
7.3.0 93,441 12/13/2017
7.3.0-beta3 27,886 12/8/2017
7.3.0-beta2 45,198 11/20/2017
7.3.0-beta1 24,844 11/11/2017
7.2.1 2,705,600 10/24/2017
7.2.0 788,719 10/5/2017
7.2.0-beta3 41,187 9/5/2017
7.2.0-beta2 27,022 8/22/2017
7.2.0-beta1 23,290 8/19/2017
7.1.1 1,936,976 7/25/2017
7.1.0 537,000 6/28/2017
7.1.0-beta1 23,059 6/24/2017
7.0.3 729,580 6/7/2017
7.0.2 275,713 5/26/2017
7.0.1 80,618 5/23/2017
7.0.0 606,364 5/19/2017
7.0.0-beta3 27,613 5/1/2017
7.0.0-beta2 26,728 4/17/2017
7.0.0-beta1 24,292 4/7/2017
6.4.1 1,689,148 3/15/2017
6.4.1-beta1 23,434 3/13/2017
6.4.0 879,096 3/3/2017
6.4.0-rc4 145,970 2/13/2017
6.4.0-rc3 38,932 2/3/2017
6.4.0-rc2 39,391 1/30/2017
6.4.0-rc1 23,190 1/30/2017
6.4.0-beta9 90,314 11/21/2016
6.4.0-beta8 50,159 10/31/2016
6.4.0-beta7 23,785 10/28/2016
6.4.0-beta6 24,102 10/25/2016
6.4.0-beta5 23,723 10/24/2016
6.4.0-beta4 23,840 10/21/2016
6.4.0-beta3 70,535 7/4/2016
6.4.0-beta2 24,706 7/1/2016
6.4.0-beta10 22,925 1/30/2017
6.4.0-beta1 27,988 6/28/2016
6.3.4-alpha 399,676 6/1/2016
6.3.3-alpha 22,745 5/27/2016
6.2.1 4,858,584 2/26/2016
6.2.1-beta1 28,136 2/24/2016
6.2.0 158,646 2/22/2016
6.2.0-beta1 23,977 2/12/2016
6.1.0 398,875 1/18/2016
6.0.2 111,883 1/5/2016
6.0.1 38,603 1/5/2016
6.0.0 122,932 12/22/2015
5.6.2 1,423,931 5/29/2015
5.6.1 33,665 5/29/2015
5.5.0 1,124,706 10/31/2014
5.4.0 578,596 7/3/2014
5.3.0 101,622 5/27/2014
5.2.0 73,254 5/21/2014
5.1.0 943,671 3/11/2014
5.0.0.1 476,552 10/24/2013
4.0.0.1 280,561 7/18/2013
4.0.0 110,004 4/29/2013
3.4.6 386,506 8/30/2012
3.4.0 65,270 8/17/2012
3.3.1 82,392 3/30/2012
3.2.0 71,613 11/14/2011
3.1.0 52,206 7/30/2011
3.0.0.1 25,865 7/5/2011
3.0.0 42,291 6/25/2011
2.0.0 69,697 1/9/2011
1.3.0 215,354 1/7/2011

FluentValidation 8 is a major release. Please read the upgrade notes at https://fluentvalidation.net/upgrading-to-8

Changes in 8.1:
* Add format support in message placeholders.
* Added support for overriding indexers for collection rules.
* Allow error codes to be used to override localization key in the Language Manager.
* Additional error details are now shown in the ShouldNotHaveValidationErrorFor test extension.
* Conditions defined with root-level When/WhenAsync/Unless/UnlessAsync are now only executed once (instead of once for each rule).
* Support Otherwise method chained from root-level When/WhenAsync/Unless/UnlessAsync.
* Minor wording changes to default English error messages.
* Japanese translation of the default error messages.
* Added Skip property to MVC5's CustomizeValidatorAttribute for parity with AspNetCore and WebApi.
* Remove type constraint on the OverridePropertyName overload that takes an expression.

Added Skip property to MVC5's CustomizeValidatorAttribute to bring parity with AspNetCore and WebApi integration.
Changes in 8.0:
* Support validating only specific properties by path.
* Added OnFailure method
* Deprecated RuleFor(..).SetCollectionValidator in favour of RuleForEach(...).SetValidator
* IStringSource.GetString now takes a validation context instead of a model instance.
* Introduce PropertyValidatorOptions in order to clean up the IPropretyValidator interface.
* Moved the legacy ValidatorAttribute and AttributedValidatorFactory into a separate FluentValidation.Attributes package.
* Remove the pre-7.0 localization mechanism
* Remove the pre-7.0 methods for custom validation
* Removed many other deprecated methods

Full release notes can be found at https://github.com/JeremySkinner/FluentValidation/blob/master/Changelog.txt