System.ComponentModel.Annotations 5.0.0

The ID prefix of this package has been reserved for one of the owners of this package by Prefix Reserved
.NET Standard 1.1 .NET Framework 4.5

Requires NuGet 2.12 or higher.

dotnet add package System.ComponentModel.Annotations --version 5.0.0
NuGet\Install-Package System.ComponentModel.Annotations -Version 5.0.0
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="System.ComponentModel.Annotations" Version="5.0.0" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add System.ComponentModel.Annotations --version 5.0.0
#r "nuget: System.ComponentModel.Annotations, 5.0.0"
#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 System.ComponentModel.Annotations as a Cake Addin
#addin nuget:?package=System.ComponentModel.Annotations&version=5.0.0

// Install System.ComponentModel.Annotations as a Cake Tool
#tool nuget:?package=System.ComponentModel.Annotations&version=5.0.0

Provides attributes that are used to define metadata for objects used as data sources.

Commonly Used Types:

When using NuGet 3.x this package requires at least version 3.4.

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. 
.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 is compatible.  netstandard1.4 is compatible.  netstandard1.5 was computed.  netstandard1.6 was computed.  netstandard2.0 is compatible.  netstandard2.1 is compatible. 
.NET Framework net45 is compatible.  net451 was computed.  net452 was computed.  net46 was computed.  net461 is compatible.  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.  monoandroid10 is compatible. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed.  monotouch10 is compatible. 
Tizen tizen30 was computed.  tizen40 was computed.  tizen60 was computed. 
Universal Windows Platform netcore50 is compatible.  uap was computed.  uap10.0 was computed. 
Windows Phone wpa81 was computed. 
Windows Store netcore was computed.  netcore45 was computed.  netcore451 was computed.  win8 is compatible. 
Xamarin.iOS xamarinios was computed.  xamarinios10 is compatible. 
Xamarin.Mac xamarinmac was computed.  xamarinmac20 is compatible. 
Xamarin.TVOS xamarintvos was computed.  xamarintvos10 is compatible. 
Xamarin.WatchOS xamarinwatchos was computed.  xamarinwatchos10 is compatible. 
Compatible target framework(s)
Additional computed target framework(s)
Learn more about Target Frameworks and .NET Standard.
  • .NETCore 5.0

  • .NETFramework 4.5

    • No dependencies.
  • .NETFramework 4.6.1

    • No dependencies.
  • .NETStandard 1.1

  • .NETStandard 1.3

  • .NETStandard 1.4

  • .NETStandard 2.0

    • No dependencies.
  • .NETStandard 2.1

    • No dependencies.
  • MonoAndroid 1.0

    • No dependencies.
  • MonoTouch 1.0

    • No dependencies.
  • Portable Class Library (.NETFramework 4.5, Windows 8.0)

    • No dependencies.
  • UAP 10.0.16299

    • No dependencies.
  • Windows 8.0

    • No dependencies.
  • Xamarin.iOS 1.0

    • No dependencies.
  • Xamarin.Mac 2.0

    • No dependencies.
  • Xamarin.TVOS 1.0

    • No dependencies.
  • Xamarin.WatchOS 1.0

    • No dependencies.

NuGet packages (4.3K)

Showing the top 5 NuGet packages that depend on System.ComponentModel.Annotations:

Package Downloads
Microsoft.Extensions.Options The ID prefix of this package has been reserved for one of the owners of this package by

Provides a strongly typed way of specifying and accessing settings using dependency injection.

Microsoft.AspNetCore.Mvc.DataAnnotations The ID prefix of this package has been reserved for one of the owners of this package by

ASP.NET Core MVC metadata and validation system using System.ComponentModel.DataAnnotations. This package was built from the source code at

Microsoft.Azure.WebJobs.Core The ID prefix of this package has been reserved for one of the owners of this package by

This library simplifies the task of adding background processing to your Microsoft Azure Web Sites. The SDK uses Microsoft Azure Storage, triggering a function in your program when items are added to Queues and Blobs. A dashboard provides rich monitoring and diagnostics for the programs that you write by using the SDK. For more information, please visit

EntityFramework The ID prefix of this package has been reserved for one of the owners of this package by

Entity Framework 6 (EF6) is a tried and tested object-relational mapper for .NET with many years of feature development and stabilization.

Microsoft.Extensions.Identity.Core The ID prefix of this package has been reserved for one of the owners of this package by

ASP.NET Core Identity is the membership system for building ASP.NET Core web applications, including membership, login, and user data. ASP.NET Core Identity allows you to add login features to your application and makes it easy to customize data about the logged in user. This package was built from the source code at

GitHub repositories (319)

Showing the top 5 popular GitHub repositories that depend on System.ComponentModel.Annotations:

Repository Stars
Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The most popular .NET Foundation community project.
rhythm is just a *click* away!
.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.
Polly is a .NET resilience and transient-fault-handling library that allows developers to express policies such as Retry, Circuit Breaker, Timeout, Bulkhead Isolation, and Fallback in a fluent and thread-safe manner. From version 6.0.1, Polly targets .NET Standard 1.1 and 2.0+.
ASP.NET Boilerplate - Web Application Framework
Version Downloads Last updated
5.0.0 221,066,896 11/9/2020
5.0.0-rc.2.20475.5 442,937 10/13/2020
5.0.0-rc.1.20451.14 376,566 9/14/2020
5.0.0-preview.8.20407.11 216,071 8/25/2020
5.0.0-preview.7.20364.11 133,950 7/21/2020
5.0.0-preview.6.20305.6 30,091 6/25/2020
5.0.0-preview.5.20278.1 10,991 6/10/2020
5.0.0-preview.4.20251.6 41,239 5/18/2020
5.0.0-preview.3.20214.6 240,194 4/23/2020
5.0.0-preview.2.20160.6 291,920 4/2/2020
5.0.0-preview.1.20120.5 175,499 3/16/2020
4.7.0 287,642,096 12/3/2019
4.7.0-preview3.19551.4 479,332 11/13/2019
4.7.0-preview2.19523.17 116,247 11/1/2019
4.7.0-preview1.19504.10 760,949 10/15/2019
4.6.0 61,493,854 9/23/2019
4.6.0-rc1.19456.4 92,223 9/16/2019
4.6.0-preview9.19421.4 1,410,416 9/4/2019
4.6.0-preview9.19416.11 1,225 9/4/2019
4.6.0-preview8.19405.3 553,695 8/13/2019
4.6.0-preview7.19362.9 366,657 7/23/2019
4.6.0-preview6.19303.8 803,217 6/12/2019
4.6.0-preview6.19264.9 1,272 9/4/2019
4.6.0-preview5.19224.8 451,562 5/6/2019
4.6.0-preview4.19212.13 110,853 4/18/2019
4.6.0-preview3.19128.7 363,777 3/6/2019
4.6.0-preview.19073.11 189,339 1/29/2019
4.6.0-preview.18571.3 186,358 12/3/2018
4.5.0 433,257,961 5/29/2018
4.5.0-rc1 288,217 5/6/2018
4.5.0-preview2-26406-04 318,336 4/10/2018
4.5.0-preview1-26216-02 403,546 2/26/2018
4.4.1 115,287,001 12/12/2017
4.4.0 179,863,125 8/11/2017
4.4.0-preview2-25405-01 96,451 6/27/2017
4.4.0-preview1-25305-02 19,199 5/9/2017
4.3.0 121,559,735 11/15/2016
4.3.0-preview1-24530-04 73,840 10/24/2016
4.1.0 92,422,950 6/27/2016
4.1.0-rc2-24027 2,230,748 5/16/2016
4.0.11-beta-23516 269,920 11/18/2015
4.0.11-beta-23409 36,048 10/15/2015
4.0.11-beta-23225 134,652 9/1/2015
4.0.10 1,771,675 7/29/2015
4.0.10-beta-23109 32,740 7/27/2015
4.0.10-beta-23019 31,876 6/30/2015
4.0.10-beta-22816 34,101 4/24/2015
4.0.10-beta-22605 13,193 2/13/2015
4.0.10-beta-22416 9,587 1/16/2015
4.0.10-beta-22231 47,601 11/11/2014
4.0.0 564,126 7/29/2015
4.0.0-beta-23109 2,964 7/27/2015
4.0.0-beta-23019 3,732 6/30/2015