FluentValidation 8.2.0

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There is a newer version of this package available.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 8.2.0
dotnet add package FluentValidation --version 8.2.0
<PackageReference Include="FluentValidation" Version="8.2.0" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add FluentValidation --version 8.2.0
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 8.2.0:
* 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
8.5.0 115,054 9/24/2019
8.5.0-preview5 13,808 9/1/2019
8.5.0-preview4 38,823 7/23/2019
8.5.0-preview3 22,851 7/10/2019
8.5.0-preview2 28,468 6/13/2019
8.5.0-preview1 30,876 5/10/2019
8.4.0 1,901,100 5/10/2019
8.3.0 264,032 4/24/2019
8.2.3 165,255 4/12/2019
8.2.2 255,254 4/5/2019
8.2.1 44,178 4/4/2019
8.2.0 251,561 3/26/2019
8.1.3 1,583,482 1/25/2019
8.1.2 705,560 12/18/2018
8.1.1 196,548 12/11/2018
8.1.0 132,119 12/6/2018
8.1.0-preview2 23,917 11/14/2018
8.1.0-preview1 23,695 10/14/2018
8.0.101 265,023 11/24/2018
8.0.100 1,312,853 9/4/2018
8.0.0 313,091 8/16/2018
8.0.0-rc1 32,365 7/24/2018
8.0.0-preview4 21,277 7/16/2018
8.0.0-preview3 20,240 7/13/2018
8.0.0-preview2 19,998 7/13/2018
7.6.105 227,304 8/11/2018
7.6.104 979,230 7/6/2018
7.6.103 439,388 6/16/2018
7.6.102 114,443 6/14/2018
7.6.101 41,867 6/13/2018
7.6.100 77,358 6/7/2018
7.6.0 174,728 6/1/2018
7.6.0-preview1 27,898 4/12/2018
7.5.2 1,269,401 3/16/2018
7.5.1 96,214 3/11/2018
7.5.0 321,479 2/26/2018
7.4.0 485,337 1/26/2018
7.3.4 396,649 1/2/2018
7.3.3 108,645 12/22/2017
7.3.2 35,988 12/21/2017
7.3.1 131,425 12/13/2017
7.3.0 26,591 12/13/2017
7.3.0-beta3 24,746 12/8/2017
7.3.0-beta2 32,363 11/20/2017
7.3.0-beta1 21,589 11/11/2017
7.2.1 1,010,737 10/24/2017
7.2.0 334,185 10/5/2017
7.2.0-beta3 36,863 9/5/2017
7.2.0-beta2 23,189 8/22/2017
7.2.0-beta1 20,255 8/19/2017
7.1.1 787,761 7/25/2017
7.1.0 262,075 6/28/2017
7.1.0-beta1 20,108 6/24/2017
7.0.3 198,677 6/7/2017
7.0.2 132,992 5/26/2017
7.0.1 52,671 5/23/2017
7.0.0 140,909 5/19/2017
7.0.0-beta3 23,896 5/1/2017
7.0.0-beta2 23,677 4/17/2017
7.0.0-beta1 21,222 4/7/2017
6.4.1 520,005 3/15/2017
6.4.1-beta1 20,977 3/13/2017
6.4.0 387,841 3/3/2017
6.4.0-rc4 141,510 2/13/2017
6.4.0-rc3 29,345 2/3/2017
6.4.0-rc2 36,155 1/30/2017
6.4.0-rc1 20,097 1/30/2017
6.4.0-beta9 72,741 11/21/2016
6.4.0-beta8 43,825 10/31/2016
6.4.0-beta7 20,523 10/28/2016
6.4.0-beta6 20,935 10/25/2016
6.4.0-beta5 20,649 10/24/2016
6.4.0-beta4 20,664 10/21/2016
6.4.0-beta3 60,707 7/4/2016
6.4.0-beta2 21,498 7/1/2016
6.4.0-beta10 19,954 1/30/2017
6.4.0-beta1 23,479 6/28/2016
6.3.4-alpha 152,222 6/1/2016
6.3.3-alpha 20,370 5/27/2016
6.2.1 1,754,181 2/26/2016
6.2.1-beta1 24,122 2/24/2016
6.2.0 54,449 2/22/2016
6.2.0-beta1 20,391 2/12/2016
6.1.0 202,956 1/18/2016
6.0.2 76,729 1/5/2016
6.0.1 29,578 1/5/2016
6.0.0 51,429 12/22/2015
5.6.2 645,897 5/29/2015
5.6.1 25,653 5/29/2015
5.5.0 466,948 10/31/2014
5.4.0 275,340 7/3/2014
5.3.0 68,567 5/27/2014
5.2.0 40,387 5/21/2014
5.1.0 279,593 3/11/2014
5.0.0.1 168,897 10/24/2013
4.0.0.1 138,161 7/18/2013
4.0.0 78,714 4/29/2013
3.4.6 189,749 8/30/2012
3.4.0 43,354 8/17/2012
3.3.1 38,768 3/30/2012
3.2.0 51,574 11/14/2011
3.1.0 45,702 7/30/2011
3.0.0.1 22,092 7/5/2011
3.0.0 22,918 6/25/2011
2.0.0 34,409 1/9/2011
1.3.0 36,616 1/7/2011
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