Visual Studio 2022: How do I Build, Test, Launch and Load an App?

Question

Visual Studio 2022: How do I Build, Test, Launch and Load an App?

Simba Bryn Mahaja 100

How can I Build, Test, Launch the IIS Express web browser, and Load an App in Visual Studio Community 2022 to create an ASP.Net Core Project on my local machine? # All the required Visual Studio 2022 workloads were installed successfully. #

Sander van de Velde | MVP 36,766 Reputation points MVP Volunteer Moderator

2025-01-24T00:07:03.6966667+00:00

Moderated: Removed Azure IoT SDK tag because this question is not related to that topic.
Simba Bryn Mahaja 100 Reputation points

2025-01-24T11:05:02.6166667+00:00

Understandable. Microsoft Azure Portal (PWA) App. is what I had in mind.

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Sander van de Velde | MVP 36,766 Reputation points MVP Volunteer Moderator

2025-01-24T00:07:03.6966667+00:00

Moderated: Removed Azure IoT SDK tag because this question is not related to that topic.
Simba Bryn Mahaja 100 Reputation points

2025-01-24T11:05:02.6166667+00:00

Understandable. Microsoft Azure Portal (PWA) App. is what I had in mind.

Answer 1

Michael Taylor 60,331

Are you having a specific issue? There are lots and lots of tutorials online on how to build and test apps in VS. It depends on the type of app you want to build as to the overall steps. Please refer to the online tutorials for general information. If you have a specific issue or question then we might be better able to guide you from there.

There are many more tutorials available. You can search for the specific type of tutorial you want (e.g. MVC, Razor Pages, Angular, etc).

Simba Bryn Mahaja 100 Reputation points

2025-01-24T11:18:01.3333333+00:00

I am currently 'paused' on one of these tutorials at the moment; 'Publish A web App to Azure with Visual Studio,' and while on 'Build and test on your local machine,' Visual Studio does not launch the IIS (Internet Information Services) express web browser and to load the App..!?! Thanks again for your answer and I will be revisiting the tutorials as mentioned above.
Michael Taylor 60,331 Reputation points

2025-01-24T16:07:22.95+00:00

First, to be clear, your code is compiling without errors right? If your code doesn't compile then it cannot be debugged. Can you share the output of your build.

Second, things are changing for debugging so it is possible that it is using Kestrel instead of IISX. Ultimately this won't have any effect on your debugging but you can tell if this is happening because it'll start a console window with output messages instead. The browser window should still pop up though.

Can you share what happens when you do press F5? You should see a quick build message saying everything is up to date and then VS should switch to 'Debugging' and the output window should start showing startup messages. After a while the browser window should open. Which browser window depends on what you have configured. With the web project selected in Solution Explorer you should see a Debug Target option. Selecting this should show you the browser that will be used. You can change it to whatever browser you want.
Simba Bryn Mahaja 100 Reputation points

2025-01-24T19:15:17.6366667+00:00

I will share the build on that with you after pressing F5, although it had to go through Docker Desktop for the build, hence my quandary.
Michael Taylor 60,331 Reputation points

2025-01-24T19:19:21.2566667+00:00

Why are you building inside Docker? Docker is generally used as to host your app if you're building a container app. The learning module doesn't talk about that. Unless you need containers then you shouldn't need Docker at all. Just run VS directly on your machine, unless you aren't running Windows.
Simba Bryn Mahaja 100 Reputation points

2025-01-25T12:33:11.9466667+00:00

Yeah, I got you, my bad. I had Container(.Net SDK) on instead of IIS Express, which I just switched to. Hence building inside Docker, indicated below:

Verifying that Docker Desktop is installed...

Docker Desktop is installed.

========== Verifying that Docker Desktop is running... ==========

Verifying that Docker Desktop is running...

Starting Docker Desktop...

Docker is not functioning as expected. Please try restarting Docker.

Docker Desktop is not running.

========== Finished ==========

After switching to IIS Express, we good to go: IIS Express is running.

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Visual Studio 2022: How do I Build, Test, Launch and Load an App?

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