Category dotnet

Using Azure Service Bus Topics Subscription Filters in ASP.NET Core

This article shows how to implement Azure Service Bus filters for topic subscriptions used in an ASP.NET Core API application. The application uses the Microsoft.Azure.ServiceBus NuGet package for all the Azure Service Bus client logic. Code: https://github.com/damienbod/AspNetCoreServiceBus Posts in this series: Using Azure Service Bus Queues with ASP.NET Core Services Using Azure Service Bus Topics […]

gRPC Bi-directional streaming with Razor Pages and a Hosted Service gRPC client

This article shows how a Bi-directional streaming gRPC service could be implemented using an .NET Core Hosted Service as a gRPC client, and a Razor Page to send Bi-directional streaming messages to the servers connected clients. Code: https://github.com/damienbod/Secure_gRpc Posts in this series Security Experiments with gRPC and ASP.NET Core 5 Running Razor Pages and a […]

Securing a Vue.js app using OpenID Connect Code Flow with PKCE and IdentityServer4

This article shows how to setup a Vue.js SPA application to authenticate and authorize using OpenID Connect Code flow with PKCE. This is good solution when implementing SPA apps requesting data from APIs on separate domains. The oidc-client-js npm package is used to implement the client side authentication logic and validation logic. IdentityServer4 and ASP.NET […]

Creating PDF files in ASP.NET Core

This article shows how to create PDF files in ASP.NET Core. I decided I wanted to use PDFSharp, because I like this library, but no NuGet packages exist for .NET Standard 2.0. YetaWF created a port for this, which was used 1:1 in this example, without changes. It would be great to see PDFSharp as […]

Deploying an ASP.NET Core application to Windows IIS

This article explains how to deploy an ASP.NET Core application to a Windows hosted IIS Server. Most applications are now deployed to a cloud hosted solutions like Azure App Services, but sometimes it is required to deploy to an IIS. I ran into an number of issues, which weren’t very well documented, which surprised me […]

Implementing a multi-tenant OIDC Azure AD external login for IdentityServer4

This article shows how to setup a multi-tenant Azure AD external login for IdentityServer4 which uses ASP.NET Core Identity. Code: IdentityServer4 app with Identity Setting up the Azure AD Application registration for multiple tenants An Azure AD Application registration needs to be setup for the Active Directory tenant. Login to the Azure portal and switch […]

Is Active Route Tag Helper for ASP.NET MVC Core with Razor Page support

Ben Cull did an excellent tag helper which makes it easy to set the active class element using the route data from an ASP.NET Core MVC application. This blog uses this and extends the implementation with support for Razor Pages. Original blog: Is Active Route Tag Helper for ASP.NET MVC Core by Ben Cull The […]

Updating ASP.NET Core Identity to use Bootstrap 4

This article shows how to update the default Identity Pages template to use Bootstrap 4. You need to scaffold the views into the project, and change the layouts and the views to use the new Bootstrap 4 classes and javascript. The base project is built using Webpack and npm. Bootstrap 4 is loaded from npm, […]

An ASP.NET Core Razor Pages Bootstrap 4 Application using Webpack, Typescript, and npm

This article shows how an ASP.NET Core Razor Pages application could be setup to use webpack, Typescript and npm to build, and bundle the client js, CSS for development and production. The application uses Bootstrap 4. Code: https://github.com/damienbod/AspNetCorePagesWebpack The example is setup so that the vendor ( 3rd Party packages ) javascript files are used […]

Dynamic CSS in an ASP.NET Core MVC View Component

This post shows how a view with dynamic css styles could be implemented using an MVC view component in ASP.NET Core. The values are changed using a HTML form with ASP.NET Core tag helpers, and passed into the view component which displays the view using css styling. The styles are set at runtime. Code: https://github.com/damienbod/AspNetCoreMvcDynamicViews […]