Become a Net Razor Developer

You have defined the authenticationState property and marked it with the CascadingParameter attribute. A cascading parameter ensures that data flows along a hierarchy of Razor components and that they are kept in sync. The authenticationState cascading parameter gives you information about the user’s current authentication state. You get the actual authentication state when you invoke it with await authenticationState. Thanks to the authentication state, you can extract the name of the current user and assign it to the Username variable. The Username variable is used in the markup of the component to display the user’s name.

🎉 It has been a long journey to add Auth0 authentication to a Blazor application using the Interactive Auto render mode. This class is the client counterpart of the PersistingRevalidatingAuthenticationStateProvider class of the server. It deserializes the user data from the persistent state by using the UserInfo class as its structure. It then creates a ClaimsPrincipal .net razor developer based on the user data and embeds it in the authentication state that is made available to the WebAssembly code running on the browser. This event fires when the Blazor application is about to switch from server to client rendering. The class constructor registers the OnPersistingAsync() handler to properly create the authentication state to send to the client.

Working with Razor Page Handlers

Let’s find out how to add Auth0 authentication to the new Blazor application model introduced in .NET 8. With a passion for cloud Architecture, Devops and Security, Peter always has a story to share on how to optimize your enterprise-ready cloud workloads. Peter was an Azure MVP for five years, has been a Microsoft Certified Trainer (MCT) for over a decade, and is still actively involved in the community as a public speaker, technical writer, book author and publisher. If you want a dynamic web site, that is one where the content is regularly being added to, you have a number of options available to you.

It creates a lower barrier to entry than its MVC counterpart, and I find it works great for smaller applications. To see how you can integrate Auth0 with this new Blazor application model, you started by creating a basic Blazor app with Interactive Auto render mode. Then you registered the app with Auth0 and configured it to support authentication. This article will show you how to add Auth0 authentication to a Blazor application using the most dynamic render mode and give you the foundation to understand how to use the other Blazor render modes. Individual components are still required to declare their render mode after the component services and endpoints are configured in the app’s Program file. You could say there is a project configuration part (in the Program.cs file) in which you specified the global project render mode, after which you should still specify the individual page or component render mode.

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This is a special case of the Interactive Server render mode, which improves the user experience for long-running asynchronous tasks. In summary, the new Blazor .NET8 render mode provides developers with more flexibility and control over how their components are rendered, allowing for improved performance and interactivity in their web applications. Razor Pages is suitable for all kinds of developers from beginners to enterprise level. It is also relatively easy for the beginner to learn, and it includes all of the advanced features of ASP.NET Core (such as dependency injection) making it just as suitable for large, scalable, team-based projects.

In most cases, you will end up creating multiple files (related to one page or feature) in different folders, and navigating from one file to another to implement a feature on a certain page will make you less productive. It doesn’t mean that you need to dump MVC totally and migrate your complete application to Razor Pages. Razor Pages are good for simple page-centric scenarios only and you still have to stick to the MVC pattern if you are building complex pages with a lot of functionality. Razor Pages are self-contained files similar to PHP files, XAML controls, or ASP.NET Web Forms and as compared to MVC, they follow a different approach of building web pages using ASP.NET Core. They allow developers to mix HTML and server-side C# directly within a single file without the need of creating Controllers, View Models, etc.

Expert .Net Razor Developer Needed

At this stage, you found out that the server-rendered component worked as expected, while the client-rendered component didn’t. You learned that the reason for this malfunction was a lack of sync between the client’s authentication state and the server’s authentication state. Leverage Auth0’s authentication and authorization services in your .NET applications.

  • For MVC and Web API applications, we have convention-based routing that means the incoming URL will be matched directly with controllers and actions.
  • This is a special case of the Interactive Server render mode, which improves the user experience for long-running asynchronous tasks.
  • It then creates a ClaimsPrincipal based on the user data and embeds it in the authentication state that is made available to the WebAssembly code running on the browser.
  • You have two options now to create web applications in ASP.NET Core so the decision whether to use MVC or Razor Pages should be made upfront because there are many differences between them.