ExpressValidator 0.0.14

.NET Standard 2.0 This package targets .NET Standard 2.0. 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There is a newer version of this package available.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 ExpressValidator --version 0.0.14
                    


                    

                
NuGet\Install-Package ExpressValidator -Version 0.0.14
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="ExpressValidator" Version="0.0.14" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
<PackageVersion Include="ExpressValidator" Version="0.0.14" />
                    


                            Directory.Packages.props
                        

                    

                
<PackageReference Include="ExpressValidator" />
                    


                            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 ExpressValidator --version 0.0.14
                    


                    

                
#r "nuget: ExpressValidator, 0.0.14"
#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 ExpressValidator@0.0.14
#: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=ExpressValidator&version=0.0.14
                    


                            Install as a Cake Addin
                        

                    

                
#tool nuget:?package=ExpressValidator&version=0.0.14
                    


                            Install as a Cake Tool

ExpressValidator is a library that provides the ability to validate objects using the FluentValidation library, but without object inheritance from AbstractValidator.

Key Features

  • Easy on-the-fly creation of object validator class called ExpressValidator by using ExpressValidatorBuilder.
  • Supports adding a property or field for validation.
  • Verifies that a property expression is a property and a field expression is a field, and throws ArgumentException if it is not.
  • Supports adding a Func that provides a value for validation.
  • Supports asynchronous validation.
  • Targets .NET Standard 2.0+

Usage

//Class we want to validate
public class ObjToValidate
{
	public int I { get; set; }
	public string S { get; set; }
	public string _sField;
	public int PercentValue1 { get; set; }
	public int PercentValue2 { get; set; }
}

var result = new ExpressValidatorBuilder<ObjToValidate>()
				//Choose property to validate
				.AddProperty(o => o.I)
				//Usual FluentValidation rules here
				.WithValidation(o => o.GreaterThan(0))
				//Choose other property
				.AddProperty(o => o.S)
				//And set rules again
				.WithValidation(o => o.MaximumLength(1))
				//Choose field to validate
				.AddField(o => o._sField)
				//And set rules for the field
				.WithValidation(o => o.MinimumLength(1))
				//Add the Func that returns sum of percentage properties for validation
				.AddFunc(o => o.PercentValue1 + o.PercentValue2, "percentSum")
				//And set rules for the sum of percentages
				.WithValidation(o => o.InclusiveBetween(0, 100))
				//We get IExpressValidator<ObjToValidate> after calling the Build method
				.Build()
	 			//And finally validate the object
				.Validate(new ObjToValidate() { I = i, S = s, PercentValue1 = pv1, PercentValue2 = pv2 });
if(!result.IsValid)
{
    //As usual with validation result...
}
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.  net9.0 was computed.  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 was computed.  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 was computed. 
.NET Framework 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 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 (2)

Showing the top 2 NuGet packages that depend on ExpressValidator:

Package Downloads
ExpressValidator.Extensions.DependencyInjection

The ExpressValidator.Extensions.DependencyInjection package extends ExpressValidator to provide integration with Microsoft Dependency Injection.
ExpressValidator.Extensions.ValidationOnStart

Package Description

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last Updated
0.12.2 233 11/14/2025
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0.9.0 258 5/21/2025
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