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In this article, we are going to continue our IdentityServer4 series by learning how to implement Angular OAuth2 OIDC security with IdentityServer4 using the Authorization Code flow. This article is heavily dependent on the previous articles from the series, so if you...
In this article, we're going to discuss the use of FluentValidation in ASP.NET Core. Traditionally, most validation in .NET is done using Data Annotations: public class SampleClass { [Required] public int Id { get; set; } [MaxLength(100)] public string Name { get;...
Up until now, we have learned how to use AuthenticationStateProvider in Blazor WebAssembly. Additionally, we have learned how to create registration functionality as well as Login and Logout functionalities in our application. But what about the roles? Well, in this...
In this article, we are going to learn about creating the Blazor WebAssembly Authentication mechanism and how to implement it on both the server-side and the client-side. In one of the previous articles, we have implemented the test AuthenticationStateProvider class...
In this article, we are going to learn how to implement Blazor WebAssembly registration functionality to create a new user for our application. We are going to integrate the ASP.NET Core Identity library to help us in the process. After the Identity integration, we...
Now that we know the basics of Blazor WebAssembly, we can move on to learning about authentication and authorization. In this article, we are going to explore how to accomplish these actions by inspecting the AuthenticationStateProvider. We are going to create a test...
Up until now, we have covered a lot of ground related to our Blazor WebAssembly application. But, we still have to cover the handling of PUT and DELETE actions in the same application. Ideally, we want to ask our users if they are sure about the Delete action. For...
In the previous article, we have created a form where we had to manually type the image URL. But of course, this is not the solution we are aiming for. In this article, we are going to modify that logic and learn about file upload with Blazor WebAssembly. We are going...
Sending a GET request to the server-side application and showing the data on the page is just a part of any application. In addition to that, we have to create our data and send POST requests as well. While creating forms, we have to provide validation for a user on...
Sorting in Blazor WebAssembly is implemented similarly to any other application type. And by sorting, we mean ordering the data fetched from the backend by using some criterium. For example, the criterium is often a product name. It can also be something like the...
In this part of the series, we are going to explain how to create one version of Blazor WebAssembly Searching functionality. In this example, we are going to implement a search by product name, but later on, you can modify it to your needs. As we did in a previous...
In this article, we are going to learn how to create a Blazor WebAssembly Pagination by consuming data from our Web API server project. We already have the server-side logic to provide the data to the client, but now, we are going to modify it to fit the pagination...
In this article, we are going to learn more about Blazor WebAssembly HttpClient and how to use it to fetch data from the ASP.NET Core Web API server. The HttpClient service is preconfigured in BlazorWebAssembly applications, but since we are working with the API...
In this article, we are going to learn about Blazor Routing and how to enable navigation between different sections in our application. We are going to explain how to use the @page directive to support routing and how to create dynamic navigation from the code....
As we saw in the previous article, the .razor file consists of an HTML and C# code in the same file. But if we want, we can split this file into two files, one for the HTML logic and another one for the C# logic. So, in this article, we are going to learn how to use...
Blazor components are reusable parts of the application containing the logic for the user interface creation. So, everything in our application could be a component. A home page, registration, login form, error page, you name it. It's recommended to always use...
In this article, we are going to talk about what is Blazor, we will compare Blazor Server vs Blazor WebAssembly and show some pros and cons. Usually, while developing a web application, we create a server-side project using Java, .NET, Node.js, or some other framework...
In all the previous parts of this series, we have been working with the in-memory IDP configuration. But, every time we wanted to change something in that configuration, we had to restart our Identity Server to load the new configuration. Well, in this article we are...
In the second part of this series, we were talking about securing Web API. But, we used the ResourceOwnerPassword and the ClientCredentials flows and Postman as a client. But now, we have our MVC client application, secured with the Hybrid Flow, which requires access...
We can use claims to show identity-related information in our application but, we can use it for the authorization process as well. In this article, we are going to learn how to modify our claims and add new ones. Additionally, we are going to learn about the...