Install Microsoft Visual Studio On Mac

Posted By admin On 08.04.20
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Visual Studio for Mac makes it easy to develop your app's service with its support for the latest ASP.NET Core Web development platform. ASP.NET Core runs on .NET Core, the latest evolution of the .NET Framework and runtime. It's been tuned for fast performance, factored for small install sizes, and reimagined to run on Linux and macOS, as well as Windows.

Installing .NET Core

.NET Core 2.1 is automatically installed when you install Visual Studio for Mac.

Creating an ASP.NET Core app in Visual Studio for Mac

Open Visual Studio for Mac. On the Start Screen, select New Project..

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This will display the New Project dialog, allowing you to select a template to create your application.

There are a number of projects that will provide you with a pre-built template to start building your ASP.NET Core Application. These are:

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Dec 27, 2019 How do I install Visual Studio for Mac offline. Currently, offline installation isn’t available for Visual Studio for Mac. If this is a feature you would like to use, please let us know on Developer Community. To install Visual Studio 2015, go to Download older versions of Visual Studio. Run the setup program and choose Custom installation and then choose the C component. To add C support to an existing Visual Studio 2015 installation, click on the Windows Start button and type Add Remove Programs.

2018-3-1  There are some plans to align Visual Studio for Mac more closely with Visual Studio for availability of older downloads in the future. For the moment, the easiest option in general might be to create a support incident to request the version you'd like. But for this exact case, I've just messaged you some links for the previous versions. Developer Community for Visual Studio Product family. This site uses cookies for analytics, personalized content and ads. Visual Studio for Mac.NET. Azure DevOps. Azure DevOps Server (TFS) 2. Install VS 2017 Update 2. Windows 10.0.15063 visual studio 2017 version 15.4 Setup. Jeffrey smith reported Oct 13, 2017 at 11. To install the preview of Visual Studio for Mac, use the following steps: Go to Visual Studio Check for Updates. In the Update channel combo box, select Preview. Select the Switch channel button to switch to the selected channel and start downloading any new updates. Select the Restart and Install Updates button to start installing the updates. For more information on updating in Visual Studio for Mac, see the update article.

  • .NET Core > Empty
  • .NET Core > API
  • .NET Core > Web Application
  • .NET Core > Web Application (Model-View-Controller)

Select the ASP.NET Core Empty Web Application and press Next. Give the Project a Name and press Create. This creates a new ASP.NET Core app. In the solution pad's left pane, expand the second arrow and then select Startup.cs. It should look similar to the image below:

The ASP.NET Core Empty template creates a web application with two default files: Program.cs and Startup.cs, which are explained below. It also creates a Dependencies folder, which contains your project's NuGet package dependencies such as ASP.NET Core, the .NET Core framework, and the MSBuild targets that build the project:

Program.cs

Open and inspect the Program.cs file in your project. Notice that several things are happening in the Main method – the entry into your app:

An ASP.NET Core app creates a web server in its main method by configuring and launching a host via an instance of WebHostBuilder. This builder provides methods to allow the host to be configured. In the template app the following configurations are used:

  • .UseStartup<Startup>(): Specifies the Startup class.

However, you can also add additional configurations, such as:

  • UseKestrel: Specifies the Kestrel server will be used by the app
  • UseContentRoot(Directory.GetCurrentDirectory()): Uses the web project's root folder as the app's content root when the app is started from this folder
  • .UseIISIntegration(): Specifies that the app should work with IIS. To use IIS with ASP.NET Core both UseKestrel and UseIISIntegration need to be specified.

Startup.cs

Visual

The Startup class for your app is specified in the UseStartup() method on the CreateWebHostBuilder. It is in this class that you will specify the request handling pipeline, and where you configure any services.

Open and inspect the Startup.cs file in your project:

This Startup class must always adhere to the following rules:

  • It must always be public
  • It must contain the two public methods: ConfigureServices and Configure

The ConfigureServices method defines the services that will be used by your app.

The Configure allows you to compose your request pipeline using Middleware. These are components used within an ASP.NET application pipeline to handle requests and responses. The HTTP pipeline consists of a number of request delegates, called in sequence. Each delegate can choose to either handle the request itself, or pass it to the next delegate.

You can configure delegates by using the Run,Map, and Use methods on IApplicationBuilder, but the Run method will never call a next delegate and should always be used at the end of your pipeline.

The Configure method of the pre-built template is built to do a few things. First, it configures an exception handling page for use during development. Then, it sends a response to the requesting web page with a simple 'Hello World'.

This simple Hello, World project can run now without any additional code being added. To run the app, you can either select which browser you want to run app the app in using the dropdown right of the Play button, or simply hit the Play (triangular) button to use your default browser:

Visual Studio for Mac uses a random port to launch your web project. To find out what port this is, open the Application Output, which is listed under View > Pads. You should find output similar to that shown below:

Once the project is running, your default web browser should launch and connect to the URL listed in the Application Output. Alternatively, you can open any browser of your choice, and enter http://localhost:5000/, replacing the 5000 with the port that Visual Studio output in the Application Output. You should see the text Hello World!:

Install Visual Studio On Mac

Adding a Controller

ASP.NET Core Apps use the Model-View-Controller (MVC) design pattern to provide a logical separation of responsibilities for each part of the app. MVC consists of the following:

  • Model: A class that represents the data of the app.
  • View: Displays the app's user interface (which is often the model data).
  • Controller: A class which handles browser requests, responds to user input and interaction.

Visual Studio Install For Mac

For more information on using MVC refer to Overview of ASP.NET Core MVC guide.

To add a controller, do the following:

  1. Right-click on the Project name and select Add > New Files. Select General > Empty Class, and enter a controller name:

  2. Add the following code to the new controller:

  3. Add the Microsoft.AspNetCore.Mvc dependency to the project by right-clicking the Dependency folder, and selecting Add Package...

  4. Use the Search box to browse the NuGet library for Microsoft.AspNetCore.Mvc, and select Add Package. This may take a few minutes to install and you may be prompted to accept various licenses for the required dependencies:

  5. In the Startup class, remove the app.Run lambda and set the URL routing logic used by MVC to determine which code it should invoke to the following:

    Make sure to remove the app.Run lambda, as this will override the routing logic.

    MVC uses the following format, to determine which code to run:

    /[Controller]/[ActionName]/[Parameters]

    When you add the code snippet above, you are telling the app to default to the HelloWorld Controller, and the Index action method.

  6. Add the services.AddMvc(); call to the ConfigureServices method, as illustrated below:

    You can also pass parameter information from the URL to the controller.

  7. Add another method to your HelloWorldController, as illustrated below:

  8. If you run the app now, it should automatically open your browser:

  9. Try to browse to http://localhost:xxxx/HelloWorld/Xamarin?name=Amy (replacing xxxx with the correct port), you should see the following:

Troubleshooting

If you need to install .NET Core manually on Mac OS 10.12 (Sierra) and higher, do the following:

  1. Before you start installing .NET Core, ensure that you have updated all OS updates to the latest stable version. You can check this by going to the App Store application, and selecting the Updates tab.

  2. Follow the steps listed on the .NET Core site.

Make sure to complete all steps successfully to ensure that .NET Core is installed successfully.

Summary

Install Visual Studio 2019

This guide gave an introduction to ASP.NET Core. It describes what it is, when to use it, and provided information on using it in Visual Studio for Mac.For more information on the next steps from here, refer to the following guides:

How To Install Microsoft Visual Studio On Mac

  • ASP.NET Core docs.
  • Creating Backend Services for Native Mobile Applications, which shows how to build a REST service using ASP.NET Core for a Xamarin.Forms app.
  • ASP.NET Core hands-on lab.

Microsoft Visual Studio Code

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