Once you've installed, open a new command prompt and run the following command:
Once you've installed, open a new terminal and run the following command:
Command prompt
dotnet
If the command runs, printing out information about how to use dotnet, you're good to go.
Got an error?
If you receive a 'dotnet' is not recognized as an internal or external command error, make sure you opened a new command prompt. If you can't resolve the issue, use the I ran into an issue button to get help fixing the problem.
Create your app
In your command prompt, run the following commands:
In your terminal, run the following commands:
Command prompt
dotnet new webApp -o myWebApp --no-httpscd myWebApp
What do these commands mean?
The dotnet new command creates a new application.
The webApp parameter selects what template to use when creating your app.
The -o parameter creates a directory named myWebApp where your app is stored.
The --no-https flag specifies not to enable HTTPS.
The cd myWebApp command puts you into the newly created app directory.
What files were created?
Several files were created in the myWebApp directory, to give you a simple web application that is ready to run.
Startup.cs contains all the settings and configurations.
The myWebApp/Pages directory contains some example web pages for the application.
myWebApp.csproj defines what libraries are referenced etc.
Run your app
In your command prompt, run the following command:
In your terminal, run the following command:
Command prompt
dotnet run
Once the command completes, browse to http://localhost:5000
Congratulations, you've built and run your first .NET web app!
Edit your code
Open Pages/Index.cshtml in any text editor and replace all of the code with the following, then save the file.
Index.cshtml
@page@model IndexModel@{ ViewData["Title"] = "Home page";}<div class="text-center"> <h1>Hello, world!</h1> <p>The time on the server is @DateTime.Now</p></div>
Re-run your app
End the previous dotnet run command that is running the site locally, then run the following command to re-launch the site:
Command prompt
dotnet run
Refresh the browser to see the change:
Next steps
Now that you've got the basics, continue building your first ASP.NET app with Razor Pages.
