FluentValidation 7.3.1

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There is a newer version of this package available.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 7.3.1
dotnet add package FluentValidation --version 7.3.1
paket add FluentValidation --version 7.3.1
The NuGet Team does not provide support for this client. Please contact its maintainers for support.

Release Notes

Changes in 7.3:
* Major changes to AspNetCore integration including better support for collections and implicit validation (opt-in)
* Fix - Updated EnumValidator's Flags support to handle the ~0 value
* Fix - TestHelper checking for child validator would respond with the wrong type
* Fix - Updated translations for some validators
* Fix - Overload of WithName that takes a lambda generated an exception
* Added versions of WhenAsync and UnlessAsync that support CancellationTokens
* Simplify calls to DependentRules
* Add Skip property to CustomizeValidatorAttribute in the ASP.NET Core integration

Changes in 7.2:
* Updated AspNetCore integration to support IValidatableObject
* Updated AspNetCore integration to allow mixing multiple validation strategies in the same model
* Updated AspNetCore integration to support RulesetForClientsideMessagesAttribute
* Fix - Property names were not generated properly for nested types when using AddFailure inside a Custom validator
* Fix - NullReferenceException when using CustomAsync but the validator is invoked synchronously
* Fix - Clientside integration in AspNetCore being resolved from the root-level service provider
* Fix - Allow empty string to be passed to OverridePropertyName

Changes in 7.1.1:
* Fix - Incorrect property name was generated when using RuleForEach combined with SetValidator
* Fix - Nesting async validators inside DependentRules didn't wait for completion

Changes in 7.1:
* New RuleFor().Custom() method as a replacement for the old, deprecated Custom method
* Improved messages in the ShouldHaveChildValidator test extension   
* Test helper works with nested properties
* Additional overload of WithState allows access to collection item when used with RuleForEach
* Fix - Wrong values were generated as part of the MVC5 clientside integration for MinLength and MaxLength validators
* Fix - AssemblyScanner now excludes abstract and generic types
* Fix - InvalidCastException when using lazy WithMessage combined with RuleForEach
* WithState enhanced to allow access to the ValidationContext

Changes in 7.0:

7.0 is a major release that contains several breaking changes, especially with Localization. If you use FluentValidation's support for localization please read the updated documentation: https://github.com/JeremySkinner/FluentValidation/wiki/f.-Localization

* Localization rewrite to not require satellite assemblies
* New 'Custom' rule method replaces the root-level Custom method
* Switch to Netstandard based build process
* Assemblies are now signed / strongly named - see https://github.com/JeremySkinner/FluentValidation/wiki/l.-Strong-naming-and-signed-packages
* Fix - Possible NullReferenceException in the AspNetCore clientside integration for length validators
* Fix - Don't clear the ModelValidatorProviders collection by default in the AspNetCore integration (added new ClearValidatorProviders property to control this behaviour)
* Fix - Ensure IValidatorFactory is resolved from request scope in asp.net core integration
* Fix - Property getter that throws an exception causes validation to fail in WebApi integration
* Fix - Issue in AspNetCore integration where we tried to resolve a collection validator in some situations where a class validator should be used
* Fix - Incorrect clientside validation attributes generated for email validator and credit card validator in the asp.net core integration
* Fix - Child model validation now works in webapi integration
* Improve splitting of PascalCased property names to support uppercase character sequences
* ValidationResult.ErrorCode property now always returns the type of the PropertyValidator that generated the message, unless it's been explicitly overriden

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

  • .NETFramework 4.5

    • No dependencies.
  • .NETStandard 1.0

  • .NETStandard 2.0

    • No dependencies.

Version History

Version Downloads Last updated
8.1.3 252,654 1/25/2019
8.1.2 268,661 12/18/2018
8.1.1 72,425 12/11/2018
8.1.0 45,708 12/6/2018
8.1.0-preview2 3,662 11/14/2018
8.1.0-preview1 3,511 10/14/2018
8.0.101 140,377 11/24/2018
8.0.100 754,147 9/4/2018
8.0.0 189,844 8/16/2018
8.0.0-rc1 11,612 7/24/2018
8.0.0-preview4 1,565 7/16/2018
8.0.0-preview3 636 7/13/2018
8.0.0-preview2 416 7/13/2018
7.6.105 100,939 8/11/2018
7.6.104 602,884 7/6/2018
7.6.103 274,258 6/16/2018
7.6.102 59,099 6/14/2018
7.6.101 16,627 6/13/2018
7.6.100 41,087 6/7/2018
7.6.0 101,191 6/1/2018
7.6.0-preview1 7,781 4/12/2018
7.5.2 906,071 3/16/2018
7.5.1 55,740 3/11/2018
7.5.0 206,130 2/26/2018
7.4.0 330,790 1/26/2018
7.3.4 268,283 1/2/2018
7.3.3 71,385 12/22/2017
7.3.2 10,220 12/21/2017
7.3.1 80,458 12/13/2017
7.3.0 5,599 12/13/2017
7.3.0-beta3 5,227 12/8/2017
7.3.0-beta2 10,808 11/20/2017
7.3.0-beta1 1,968 11/11/2017
7.2.1 721,478 10/24/2017
7.2.0 199,459 10/5/2017
7.2.0-beta3 17,196 9/5/2017
7.2.0-beta2 3,539 8/22/2017
7.2.0-beta1 721 8/19/2017
7.1.1 619,412 7/25/2017
7.1.0 204,126 6/28/2017
7.1.0-beta1 601 6/24/2017
7.0.3 153,191 6/7/2017
7.0.2 90,971 5/26/2017
7.0.1 30,895 5/23/2017
7.0.0 75,159 5/19/2017
7.0.0-beta3 4,294 5/1/2017
7.0.0-beta2 4,150 4/17/2017
7.0.0-beta1 1,688 4/7/2017
6.4.1 409,333 3/15/2017
6.4.1-beta1 1,350 3/13/2017
6.4.0 315,083 3/3/2017
6.4.0-rc4 121,306 2/13/2017
6.4.0-rc3 9,712 2/3/2017
6.4.0-rc2 16,626 1/30/2017
6.4.0-rc1 554 1/30/2017
6.4.0-beta9 51,599 11/21/2016
6.4.0-beta8 22,894 10/31/2016
6.4.0-beta7 943 10/28/2016
6.4.0-beta6 1,346 10/25/2016
6.4.0-beta5 1,071 10/24/2016
6.4.0-beta4 1,058 10/21/2016
6.4.0-beta3 40,176 7/4/2016
6.4.0-beta2 1,874 7/1/2016
6.4.0-beta10 471 1/30/2017
6.4.0-beta1 3,673 6/28/2016
6.3.4-alpha 111,891 6/1/2016
6.3.3-alpha 854 5/27/2016
6.2.1 1,460,605 2/26/2016
6.2.1-beta1 4,562 2/24/2016
6.2.0 23,090 2/22/2016
6.2.0-beta1 872 2/12/2016
6.1.0 154,466 1/18/2016
6.0.2 49,891 1/5/2016
6.0.1 4,370 1/5/2016
6.0.0 24,738 12/22/2015
5.6.2 547,256 5/29/2015
5.6.1 5,644 5/29/2015
5.5.0 378,298 10/31/2014
5.4.0 237,517 7/3/2014
5.3.0 46,515 5/27/2014
5.2.0 17,451 5/21/2014
5.1.0 208,322 3/11/2014
5.0.0.1 126,271 10/24/2013
4.0.0.1 106,590 7/18/2013
4.0.0 55,907 4/29/2013
3.4.6 156,641 8/30/2012
3.4.0 22,328 8/17/2012
3.3.1 18,919 3/30/2012
3.2.0 31,283 11/14/2011
3.1.0 25,728 7/30/2011
3.0.0.1 2,530 7/5/2011
3.0.0 2,081 6/25/2011
2.0.0 10,926 1/9/2011
1.3.0 9,629 1/7/2011
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