Dotnet framework 3 5

Author: n | 2025-04-24

.NET API reference documentation (.NET 5, .NET Core, .NET Framework) - dotnet/dotnet-api-docs

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Hello.I have simple class library project with a EF Core 5.0-rc1 DbContext that targets .NET 5.0-preview7 and is build in x86 configuration. I'm using .NET 5-preview7 because according to info on download page it is the latest one that supports Visual Studio 2019 v16.7 Release. I use only stable IDE builds in my project and cannot use preview IDE versions.I've installed latest Entity Framework Core .NET Command-line Tools 5.0.0-rc.1.20451.13When I'm trying to add migration via dotnet ef migrations add InitialCreate --verbose command I get an error:Could not load assembly 'Test'. Ensure it is referenced by the startup project 'Test'.Steps to reproduceDownload test project - latest Entity Framework Core .NET Command-line Tools 5.0.0-rc.1.20451.13Run dotnet ef migrations add InitialCreate --verbose command in test project folderP. S. I've tried to separate Entites from DbContext and created separate class library for Entities.I've changed DbContext project configuration to AnyCPU but left Entites project configuration to x86.And now dotnet ef migrations add InitialCreate --verbose results in errorUnable to create an object of type 'BlankDBContext'. For the different patterns supported at design time, see is test project with Entites is separate project - like the is broad problem with x86 configuration.dotnet ef migrations add InitialCreate --verbose output:dotnet ef migrations add InitialCreate --verboseUsing project 'D:\Test\Test\Test.csproj'.Using startup project 'D:\Test\Test\Test.csproj'.Writing 'D:\Test\Test\obj\Test.csproj.EntityFrameworkCore.targets'...dotnet msbuild /target:GetEFProjectMetadata /property:EFProjectMetadataFile=C:\Users\Leo.TOPAZ1\AppData\Local\Temp\tmpEC82.tmp /verbosity:quiet /nologo D:\Test\Test\Test.csprojWriting 'D:\Test\Test\obj\Test.csproj.EntityFrameworkCore.targets'...dotnet msbuild /target:GetEFProjectMetadata /property:EFProjectMetadataFile=C:\Users\Leo.TOPAZ1\AppData\Local\Temp\tmpEE67.tmp /verbosity:quiet /nologo D:\Test\Test\Test.csprojBuild started...dotnet build D:\Test\Test\Test.csproj /verbosity:quiet /nologoСборка успешно завершена. Предупреждений: 0 Ошибок: 0Прошло времени 00:00:00.84Build succeeded.dotnet exec --depsfile D:\Test\Test\bin\Debug\net5.0\Test.deps.json --additionalprobingpath C:\Users\Leo.TOPAZ1\.nuget\packages --additionalprobingpath "C:\Program Files\dotnet\sdk\NuGetFallbackFolder" --runtimeconfig D:\Test\Test\bin\Debug\net5.0\Test.runtimeconfig.json C:\Users\Leo.TOPAZ1\.dotnet\tools\.store\dotnet-ef\5.0.0-rc.1.20451.13\dotnet-ef\5.0.0-rc.1.20451.13\tools\netcoreapp3.1\any\tools\netcoreapp2.0\any\ef.dll migrations add InitialCreate --assembly D:\Test\Test\bin\Debug\net5.0\Test.dll --startup-assembly D:\Test\Test\bin\Debug\net5.0\Test.dll --project-dir D:\Test\Test\ --language C# --working-dir D:\Test\Test --verbose --root-namespace TestUsing assembly 'Test'.Using startup assembly 'Test'.Using application base 'D:\Test\Test\bin\Debug\net5.0'.Using working directory 'D:\Test\Test'.Using root namespace 'Test'.Using project directory 'D:\Test\Test'.Remaining arguments: .Microsoft.EntityFrameworkCore.Design.OperationException: Could not load assembly 'Test'. Ensure it is referenced by the startup project 'Test'. ---> System.BadImageFormatException:

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Skip to content Navigation Menu GitHub Copilot Write better code with AI Security Find and fix vulnerabilities Actions Automate any workflow Codespaces Instant dev environments Issues Plan and track work Code Review Manage code changes Discussions Collaborate outside of code Code Search Find more, search less Explore Learning Pathways Events & Webinars Ebooks & Whitepapers Customer Stories Partners Executive Insights GitHub Sponsors Fund open source developers The ReadME Project GitHub community articles Enterprise platform AI-powered developer platform Pricing Provide feedback Saved searches Use saved searches to filter your results more quickly Sign up Here are 3 public repositories matching this topic... Code Issues Pull requests ✔ [ SIOC ] Swastika I/O Core is an all in one platform (e.g CMS, eCommerce, Forum, Q&A, CRM...) ASP.NET Core / Dotnet Core System based on SIOH Framework. Updated Sep 14, 2022 C# Code Issues Pull requests A template-based .Net Core 8 MVC CMS built with C#, SQL server, and JQuery, providing an intuitive WYSIWYG/drag and drop edit experience. Supports multi-tenant webroot and database. Updated Oct 19, 2024 C# Code Issues Pull requests JasperSite is a web content management system built on ASP.NET Core MVC. Updated Jan 5, 2023 JavaScript Improve this page Add a description, image, and links to the dotnet-core-cms topic page so that developers can more easily learn about it. Curate this topic Add this topic to your repo To associate your repository with the dotnet-core-cms topic, visit your repo's landing page and select "manage topics." Learn more

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Share via 2022-01-20T02:11:48.64+00:00 Hi, I am following this page to install visual studio 2019 build tools in my windows container: However, once the container is pulled and vs_buildtools.exe created on the container, it just won't launch vs_buildtools.exe. I also manually ran the container and tried to run that exe file but nothing happens. There is no error message as well. Other commands like cmd.exe, curl and powershell.exe work just fine. I tried multiple base images - windows, servercore and dotnet framework ... all of them have the same problem. Suggestions on what could be wrong here? I am out of options on where to go from here. Thanks! 3 answers 2022-01-20T20:19:31.35+00:00 @Tianyu Sun-MSFT Thanks for checking. I am using microsoft provided base image, hence assuming the space and permissions are good enough. Also, yes I did follow the instructions from 2019 version document and same issue. Here is what my dockerfile looks like: 2022-01-20T22:34:42.917+00:00 To be clear, I used a different base image in the above dockerfile to test a different base. But I have also tested mcr.microsoft.com/dotnet/framework/sdk:4.8-windowsservercore-ltsc2019 since that is the one the document you sent uses 2022-01-26T01:02:54.81+00:00 Sign in to answer Your answer Answers can be marked as Accepted Answers by the question author, which helps users to know the answer solved the author's problem. Question activity. .NET API reference documentation (.NET 5, .NET Core, .NET Framework) - dotnet/dotnet-api-docs FROM microsoft/dotnet-framework:4.7.2. to use an image with dotnet framework already installed. How to set proper version of SDK in dockerfiler. Related. 5. Run asp.net 4.5 in Docker. 14.

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深入 .NET Core 基础：deps.json, runtimeconfig.json 以及 dll原文地址: .NET Core 应用程序基础我学习过使用 gcc，C++ 和 vim 编程。当我开始使用 C# 和 .NET 的时候，点击 Visual Studio 中的 运行 按钮就是魔法，也带者失望。失望 - 不是因为我希望编写 Makefile - 而是因为我不知道 运行 都做了什么。所以，我开始探索。在本博文中，我将展示在 .NET Core 中使用的多数基础工具，并手工创建 .NET Core 应用程序而不借助于 Visual Studio。如果你是 .NET Core 的新手，并且希望揭开内幕，本文就是为您而来。如果您已经是一个 .NET Core 的开发者，并且好奇 *.deps.json 或者 *.runtimeconfig.json 文件是做什么的，我也会涵盖这些内容。我将会终止 Visual Studio 的魔法，而一直使用命令行工具。为了你能够进行，您需要 .NET Core 2.1 SDK ( 实际上，.NET Core 3.1 SDK 已经发布，我想你更应该下载这个最新版)。下面的这些步骤是在 macOS 上完成的，但是它们也同样在 Linux 和 Windows 上一样工作，如果您将路径更改为 c:\Program Files\dotnet\ 和 dotnet.exe 的话。2. C# 编译器C# 编译器将 *.cs 文件编译为 *.dll 文件，也被称为程序集文件。程序集文件具有便携可执行文件格式，.NET Core 可以在 Windows、macOS 和 Linux 上执行它。.NET Core app 是一系列 *.dll 文件的集合 (包括少量的配置文件)。它可以通过多种程序设计语言，例如 VB 或者 F# 等所生成，但是，C# 是最常用的一种。C# 编译器可以直接调用来生成程序集文件。C# 编译器可以在 .NET Core SDK 中发现，并像下面这样被调用。dotnet /usr/local/share/dotnet/sdk/2.1.3/Roslyn/bincore/csc.dll -help让我们为它提供一个输入内容。首先，创建名为 Program.cs 的文件，并编写如下 C# 代码：/* Program.cs */class Program{ static void Main(string[] args) => System.Console.WriteLine("Hello World!");}然后，在命令行，执行如下命令：> dotnet \ /usr/local/share/dotnet/sdk/2.1.3/Roslyn/bincore/csc.dll \ -reference:/usr/local/share/dotnet/sdk/NuGetFallbackFolder/microsoft.netcore.app/2.0.0/ref/netcoreapp2.0/System.Runtime.dll \ -reference:/usr/local/share/dotnet/sdk/NuGetFallbackFolder/microsoft.netcore.app/2.0.0/ref/netcoreapp2.0/System.Console.dll \ -out:Program.dll \ Program.cs在 .NET Core 3.1 中，NuGetFallbackFoler 已经从 sdk 文件夹中移除了。这些程序集已经转移到 C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1 文件夹中。如果在 Windows 下，注意空格的处理：dotnet 'C:\Program Files\dotnet\sdk\3.1.100\Roslyn\bincore\csc.dll' -reference:'C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Runtime.dll' -reference:'C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Console.dll' -out:Program.dll Program.cs参数的含义如下：dotnet - C# 编译器本身也是一个 .NET Core 应用程序，所以，我们需要通过 dotnet 命令来启动它/usr/local/share/dotnet/sdk/2.1.3/Roslyn/bincore/csc.dll - C# 编译器的路径。在 Windows 上，路径就是： C:\Program Files\dotnet\-reference 参数指向了 System.Runtime.dll 和 System.Console.dll，这些类似于 C++ 中的头文件，它们为编译器提供关于 System.Object 和 System.Console 的信息。-out:Program.dll，输出文件名。.dll 的扩展名是 .NET Core 的约定，并不是必需的。如果没有指定，编译器将生成名为 Program.exe 的文件。在 Windows 系统上，这会导致一点误解，因为你并不能通过双击 Program.exe 来启动它，所以，在 .NET Core 中，我们总是使用 .dll 扩展名。Reference 引用允许我们使用代码中涉及的在其它 .NET Core 代码中定义的成千上万的类型，例如 List、Integer 以及 HttpClient 类型等等。但是，你不得不告诉编译器到哪里去找到它们。如果你删除掉 -reference:*** 部分，编译器将会失败，并返回如下错误：Program.cs(1,11): error CS0518: Predefined type 'System.Object' is not defined or importedProgram.cs(3,26): error CS0518: Predefined type 'System.String' is not defined or importedProgram.cs(3,16): error CS0518: Predefined type 'System.Void' is not defined or imported示例中使用的路径是 /usr/local/share/dotnet/sdk/NuGetFallbackFolder/microsoft.netcore.app。这些来自与 Microsoft.NETCore.App 这个 NugGet 包，后面我们会讨论它。3. runtimeconfig.json对于 .NET Core 应用程序来说，runtime.config.json 文件是必需的。术语 runtime 、shared framework、或者 platform 经常互换，但是，在谈论 .NET Core 的时候，它们是一回事。该 JSON 配置文件用于运行时。如果您拥有了上一步所得到的程序集，您可以试着在命令行运行它，通过 dotnet 工具。没有这个 runtime.config.json，该尝试将会失败：>dotnet Program.dllA fatal error was encountered. The library 'libhostpolicy.dylib' required to execute the application was not found in '/Users/nmcmaster/code/'.在 Windows 环境的 .NET Core 3.1 环境下，我得到是： >dotnet Program.dllA fatal error was encountered. The library 'hostpolicy.dll' required to execute the application was not found in 'C:\temp\dotnet'.Failed to run as a self-contained app. If this should be a framework-dependent app, add the C:\temp\dotnet\Program.runtimeconfig.json file specifying the appropriate framework.该段说明的意思是，.NET Core 不能找到用于执行 Program.dll 文件所必需的某些文件。为了解决这个问题，创建名为 Program.runtimeconfig.json 的文件，并使用如下内容：{ "runtimeOptions": { "framework": { "name": "Microsoft.NETCore.App", "version": "2.0.0" } }}注意，在 .NET Core .3.1 下，文件内容如下：{ "runtimeOptions": { "framework": { "name": "Microsoft.NETCore.App", "version": "3.1.0" } }}这些设置指示 dotnet 使用 Microsoft.NETCore.App 3.1.0 共享框架。该框架也是最常使用的框架，但是，还有其它的框架，例如 Microsoft.AspNetCore.App。不像 .NET Framework 是装个机器范围生效，可以有多个 .NET Core 共享框架安装在同一台机器上。dotnet 将读取该 JSON 文件，并在 /usr/local/share/dotnet/shared/$FrameworkName/$Version/ 中查找需要的文件并运行应用程序。说明：如果有更高版本的 Microsoft.NeTCore.App 补丁安装，例如 shared/Microsoft.NETCore.App/2.0.4/，dotnet 将自动使用更高版本。现在，执行 dotnet Program.dll。>dotnet Program.dllHello world!4. Package 包包提供了在不同项目之间、项目组之间以及组织之间共享代码的方式，.NET 程序集被打包到 *.nupkg 文件中，这仅仅是一个 ZIP 压缩格式文件，并含有一个 XML 文件 (.nuspec) ，包含有关于该包的元数据。最流行的一个 .NET 包称为 JSON.NET，也被称为 Newtonsoft.Json。它提供了解析和序列化 JSON 的 API。我们可以从 NuGet.org 得到它并提取到磁盘上。# Bashmkdir -p ./packages/Newtonsoft.Json/10.0.3/curl -L | tar -xf - -C

.NET Framework - Tải dotNET Framework 4.5 / 4.6 /

Build is produced for each target framework. However, when you publish your app, you must specify the target framework with the dotnet publish -f command.The default BUILD-CONFIGURATION mode is Debug unless changed with the -c parameter.The default output directory of the dotnet publish command is ./bin///publish/. For example, dotnet publish -c Release -f net9.0 publishes to ./bin/Release/net9.0/publish/. However, you can opt in to a simplified output path and folder structure for all build outputs. For more information, see Artifacts output layout.Native dependenciesIf your app has native dependencies, it may not run on a different operating system. For example, if your app uses the native Windows API, it won't run on macOS or Linux. You would need to provide platform-specific code and compile an executable for each platform.Consider also, if a library you referenced has a native dependency, your app may not run on every platform. However, it's possible a NuGet package you're referencing has included platform-specific versions to handle the required native dependencies for you.When distributing an app with native dependencies, you may need to use the dotnet publish -r switch to specify the target platform you want to publish for. For a list of runtime identifiers, see Runtime Identifier (RID) catalog.More information about platform-specific binaries is covered in the Framework-dependent executable and Self-contained deployment sections.Sample appYou can use the following app to explore the publishing commands. The app is created by running the following commands in your terminal:mkdir apptest1cd apptest1dotnet new consoledotnet add package FiggleThe Program.cs or Program.vb file that is generated by the console template needs to be changed to the following:using System;namespace apptest1{ class Program { static void Main(string[] args) { Console.WriteLine(Figgle.FiggleFonts.Standard.Render("Hello, World!")); } }}Module Program Sub Main(args As String()) Console.WriteLine(Figgle.FiggleFonts.Standard.Render("Hello, World!")) End SubEnd ModuleWhen you run the app (dotnet run), the following output is displayed: _

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Microsoft Security Advisory CVE-2021-26701 | .NET Core Remote Code Execution VulnerabilityExecutive summaryMicrosoft is releasing this security advisory to provide information about a vulnerability in .NET 5.0, .NET Core 3.1, and .NET Core 2.1. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.A remote code execution vulnerability exists in .NET 5 and .NET Core due to how text encoding is performed.AnnouncementAnnouncement for this issue can be found at dotnet/announcements#178Mitigation factorsMicrosoft has not identified any mitigating factors for this vulnerability.Affected softwareThe vulnerable package is System.Text.Encodings.Web . Upgrading your package and redeploying your app should be sufficient to address this vulnerability.Vulnerable package versions:Any .NET 5, .NET Core, or .NET Framework based application that uses the System.Text.Encodings.Web package with a vulnerable version listed below.Package NameVulnerable VersionsSecure VersionsSystem.Text.Encodings.Web4.0.0 - 4.5.0 4.6.0-4.7.1 5.0.04.5.1 4.7.2 5.0.1Please validate that each of the .NET versions you are using is in support. Security updates are only provided for supported .NET versions.How do I know if I am affected?If you have a runtime or SDK with a version listed in affected software, you're exposed to the vulnerability.How do I fix the issue?To fix the issue, please install the latest version of .NET 5.0, .NET Core 3.1 or .NET Core 2.1. If you have installed one or more .NET Core SDKs through Visual Studio, Visual Studio will prompt you to update Visual Studio, which will also update your .NET Core SDKs.You can list the versions you have installed by running the dotnet --info command. You should see an output like the following:.NET Core SDK (reflecting any global.json): Version: 3.1.100 Commit: cd82f021f4Runtime Environment: OS Name: Windows OS Version: 10.0.18363 OS Platform: Windows RID: win10-x64 Base Path: C:\Program Files\dotnet\sdk\3.1.100\Host (useful for support): Version: 3.1.0 Commit: 65f04fb6db.NET Core SDKs installed: 3.1.100 [C:\Program Files\dotnet\sdk].NET Core runtimes installed: Microsoft.AspNetCore.App 3.1.0 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App] Microsoft.NETCore.App 3.1.0 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App] Microsoft.WindowsDesktop.App 3.1.0 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]To install additional .NET Core runtimes or SDKs: you're using .NET 5.0, you should download and install Runtime 5.0.4 or SDK 5.0.104 (for Visual Studio 2019 v16.8) from you're using .NET Core 3.1, you should download and install Runtime. .NET API reference documentation (.NET 5, .NET Core, .NET Framework) - dotnet/dotnet-api-docs

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Is bundled into the NuGet package based on the Diagnostic.nuspec file that you see in Solution Explorer, within the analyzer project. You’ll edit Diagnostic.nuspec in Visual Studio 2015 shortly.tools folder: This folder contains Windows PowerShell scripts used by Visual Studio to install (Install.ps1) and uninstall (Uninstall.ps1) an analyzer for a given project.analyzers folder: This folder contains analyzer .dll files organized into particular subfolders. Agnostic analyzer libraries (that is, targeting all languages) reside in a subfolder called dotnet. Analyzers targeting C# reside in a subfolder called dotnet\cs, whereas analyzers targeting Visual Basic reside in a folder called dotnet\vb. It’s worth mentioning that dotnet represents the NuGet profile for .NET Core, and supports projects types such as Universal Windows apps and ASP.NET 5 projects.A number of additional items can be bundled into a NuGet package, but here I focus on a typical package generated for a Roslyn analyzer, so only the required items are discussed.Any libraries that can be referenced from a Visual Studio project must be organized into a folder called lib. Because libraries can target different platforms, such as different versions of the .NET Framework, the Windows Runtime, different versions of Windows Phone, or even a portable subset (including Xamarin libraries), the lib folder must contain one subfolder per targeted platform, and each subfolder must contain a copy of the library to deploy. The name of each subfolder must match the name of a so-called profile representing a specific platform. For instance, if you have a library targeting the .NET

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_ _ _ __ __ _ _ _ | | | | ___| | | ___ \ \ / /__ _ __| | __| | | | |_| |/ _ \ | |/ _ \ \ \ /\ / / _ \| '__| |/ _` | | | _ | __/ | | (_) | \ V V / (_) | | | | (_| |_| |_| |_|\___|_|_|\___( ) \_/\_/ \___/|_| |_|\__,_(_) |/Framework-dependent deploymentWhen you publish your app as an FDD, a .dll file is created in the ./bin///publish/ folder. To run your app, navigate to the output folder and use the dotnet .dll command.Your app is configured to target a specific version of .NET. That targeted .NET runtime is required to be on any machine where your app runs. For example, if your app targets .NET 9, any machine that your app runs on must have the .NET 9 runtime installed. As stated in the Publishing basics section, you can edit your project file to change the default target framework or to target more than one framework.Publishing an FDD creates an app that automatically rolls-forward to the latest .NET security patch available on the system that runs the app. For more information on version binding at compile time, see Select the .NET version to use.Publish ModeCommandFramework-dependent deploymentdotnet publish -c Release -p:UseAppHost=falseFramework-dependent executableFramework-dependent executable (FDE) is the default mode for the basic dotnet publish command. You don't need to specify any other parameters, as long as you want to target the current operating system.In this mode, a platform-specific executable host is created to host your cross-platform app. This mode is similar to FDD, as FDD requires a host in the form of the dotnet command. The host executable filename varies per platform and is named something similar to .exe. You. .NET API reference documentation (.NET 5, .NET Core, .NET Framework) - dotnet/dotnet-api-docs FROM microsoft/dotnet-framework:4.7.2. to use an image with dotnet framework already installed. How to set proper version of SDK in dockerfiler. Related. 5. Run asp.net 4.5 in Docker. 14.

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The world's most popular open source database 7.2.1 Creating a Database with Code First in EF Core The Code First approach enables you to define an entity model in code, create a database from the model, and then add data to the database. MySQL Connector/NET is compatible with multiple versions of Entity Framework Core. For specific compatibility information, see Table 7.2, “Connector/NET Versions and Entity Framework Core Support”. The following example shows the process of creating a database from existing code. Although this example uses the C# language, you can use any .NET language and run the resulting application on Windows, macOS, or Linux. Create a console application for this example. Initialize a valid .NET Core project and console application using the .NET Core command-line interface (CLI) and then switch to the newly created folder (mysqlefcore). dotnet new console –o mysqlefcorecd mysqlefcore Add the MySql.EntityFrameworkCore package to the application by using the dotnet CLI or the in Visual Studio.dotnet CLI Enter the following command to add the MySQL EF Core 7.0 package for use with Connector/NET 8.0.33 and later. dotnet add package MySql.EntityFrameworkCore --version 7.0.2Package Manager Console Enter the following command to add the MySQL EF Core 7.0 package for use with Connector/NET 8.0.33 and later. Install-Package MySql.EntityFrameworkCore -Version 7.0.2 Restore dependencies and project-specific tools that are specified in the project file as follows: dotnet restore Create the model and run the application. The model in this example is to be used by the console application. It consists of two entities related to a book library that are configured in the LibraryContext class (or database context). Create a new file named LibraryModel.cs and then add the following Book and Publisher classes to the mysqlefcore namespace. namespace mysqlefcore{ public class Book { public string ISBN { get; set; } public string Title { get; set; } public string Author { get; set; } public string Language { get; set; } public int Pages { get; set; } public virtual Publisher Publisher { get; set; } } public class Publisher { public int ID { get; set; } public string Name {