FluentValidation 8.2.2

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

There is a newer version of this package available.
See the version list below for details.
Install-Package FluentValidation -Version 8.2.2
dotnet add package FluentValidation --version 8.2.2
<PackageReference Include="FluentValidation" Version="8.2.2" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add FluentValidation --version 8.2.2
The NuGet Team does not provide support for this client. Please contact its maintainers for support.

Release Notes

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

Changes in 8.2.1:
* Resolved issue using InjectValidator with RuleForEach.
* Add support for a default IValidatorInterceptor to be registered with the ASP.NET Core Service Provider.

Changes in 8.2.0:
* Add extensions for injecting child validators using the ASP.NET Core Service Provider.
* Implement RuleFor(...).ForEach(...) as an alternative to RuleForEach.
* WithLocalizedMessage is deprecated. Use the overload of WithMessage that takes a Func instead.

Changes in 8.1.3:
* Resolved issue where clientside validation was incorrectly generating metadata for rules with shared conditions.
* ScalePrecisionValidator now has a public method in the fluent interface.
* Fix placeholder names in ScalePrecisionValidator for consistency.
* Updates to Portuguese (Brazil) translations.

Changes in 8.1.2:
* Fix issue where shared When/Unless conditions didn't execute correctly when used with RuleForEach.
       
Changes in 8.1.1:
* Added RuleSetsExecuted property on ValidationResult.
* Resolved issue introduced in 8.1 where the shared condition cache does not work correctly with RuleForEach (#970).

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

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Version History

Version Downloads Last updated
8.5.0-preview4 6,485 7/23/2019
8.5.0-preview3 2,286 7/10/2019
8.5.0-preview2 6,469 6/13/2019
8.5.0-preview1 8,683 5/10/2019
8.4.0 858,709 5/10/2019
8.3.0 187,383 4/24/2019
8.2.3 113,801 4/12/2019
8.2.2 185,996 4/5/2019
8.2.1 19,664 4/4/2019
8.2.0 176,483 3/26/2019
8.1.3 1,228,111 1/25/2019
8.1.2 588,226 12/18/2018
8.1.1 148,338 12/11/2018
8.1.0 95,995 12/6/2018
8.1.0-preview2 4,408 11/14/2018
8.1.0-preview1 4,263 10/14/2018
8.0.101 218,391 11/24/2018
8.0.100 1,151,060 9/4/2018
8.0.0 267,480 8/16/2018
8.0.0-rc1 12,837 7/24/2018
8.0.0-preview4 1,945 7/16/2018
8.0.0-preview3 925 7/13/2018
8.0.0-preview2 669 7/13/2018
7.6.105 174,646 8/11/2018
7.6.104 870,686 7/6/2018
7.6.103 381,160 6/16/2018
7.6.102 85,954 6/14/2018
7.6.101 21,273 6/13/2018
7.6.100 54,311 6/7/2018
7.6.0 139,358 6/1/2018
7.6.0-preview1 8,450 4/12/2018
7.5.2 1,156,130 3/16/2018
7.5.1 71,122 3/11/2018
7.5.0 269,079 2/26/2018
7.4.0 426,906 1/26/2018
7.3.4 343,873 1/2/2018
7.3.3 85,920 12/22/2017
7.3.2 14,292 12/21/2017
7.3.1 102,188 12/13/2017
7.3.0 6,904 12/13/2017
7.3.0-beta3 5,430 12/8/2017
7.3.0-beta2 12,413 11/20/2017
7.3.0-beta1 2,232 11/11/2017
7.2.1 922,811 10/24/2017
7.2.0 281,334 10/5/2017
7.2.0-beta3 17,504 9/5/2017
7.2.0-beta2 3,848 8/22/2017
7.2.0-beta1 931 8/19/2017
7.1.1 729,347 7/25/2017
7.1.0 232,198 6/28/2017
7.1.0-beta1 804 6/24/2017
7.0.3 171,394 6/7/2017
7.0.2 106,062 5/26/2017
7.0.1 32,988 5/23/2017
7.0.0 108,264 5/19/2017
7.0.0-beta3 4,573 5/1/2017
7.0.0-beta2 4,372 4/17/2017
7.0.0-beta1 1,917 4/7/2017
6.4.1 471,202 3/15/2017
6.4.1-beta1 1,639 3/13/2017
6.4.0 350,826 3/3/2017
6.4.0-rc4 122,023 2/13/2017
6.4.0-rc3 10,011 2/3/2017
6.4.0-rc2 16,844 1/30/2017
6.4.0-rc1 778 1/30/2017
6.4.0-beta9 52,984 11/21/2016
6.4.0-beta8 24,320 10/31/2016
6.4.0-beta7 1,183 10/28/2016
6.4.0-beta6 1,575 10/25/2016
6.4.0-beta5 1,315 10/24/2016
6.4.0-beta4 1,312 10/21/2016
6.4.0-beta3 41,221 7/4/2016
6.4.0-beta2 2,129 7/1/2016
6.4.0-beta10 665 1/30/2017
6.4.0-beta1 4,077 6/28/2016
6.3.4-alpha 125,479 6/1/2016
6.3.3-alpha 1,059 5/27/2016
6.2.1 1,660,047 2/26/2016
6.2.1-beta1 4,802 2/24/2016
6.2.0 30,787 2/22/2016
6.2.0-beta1 1,071 2/12/2016
6.1.0 176,557 1/18/2016
6.0.2 55,167 1/5/2016
6.0.1 9,344 1/5/2016
6.0.0 29,226 12/22/2015
5.6.2 605,621 5/29/2015
5.6.1 6,235 5/29/2015
5.5.0 420,135 10/31/2014
5.4.0 250,350 7/3/2014
5.3.0 48,368 5/27/2014
5.2.0 20,061 5/21/2014
5.1.0 244,439 3/11/2014
5.0.0.1 143,407 10/24/2013
4.0.0.1 114,966 7/18/2013
4.0.0 58,450 4/29/2013
3.4.6 166,817 8/30/2012
3.4.0 23,589 8/17/2012
3.3.1 19,384 3/30/2012
3.2.0 32,117 11/14/2011
3.1.0 26,245 7/30/2011
3.0.0.1 2,764 7/5/2011
3.0.0 3,345 6/25/2011
2.0.0 14,184 1/9/2011
1.3.0 16,595 1/7/2011
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