Tag Archives: razor

Encrypting texts for an Identity in ASP.NET Core Razor Pages using AES and RSA

The article shows how encrypted texts can be created for specific users in an ASP.NET Core Razor page application. Symmetric encryption is used to encrypt the text or the payload. Asymmetric encryption is used to encrypt the AES key and the IV of the symmetric encryptions. Each ASP.NET Core Identity has an associated X509Certificate2 with […]

ASP.NET Core OAuth Device Flow Client with IdentityServer4

This article shows how to implement the OAuth 2.0 Device Flow for Browserless and Input Constrained Devices in an ASP.NET Core application. The tokens are then saved to a cookie for later usage. IdentityServer4 is used to implement the secure token server. Code: https://github.com/damienbod/AspNetCoreHybridFlowWithApi History 2019-10-06 Updated to .NET Core 3.0 2019-02-24 Updated packages, API […]

Passing Javascript values to ASP.NET Core View components

In this post, I show how an ASP.NET Core MVC view can send a Javascript parameter value to an ASP.NET Core view component. Invoking a view component in the view using ‘@await Component.InvokeAsync’ will not work, as this is rendered before the Javascript value has been created. Code: https://github.com/damienbod/AspNetCoreBootstrap4Validation History 2019-01-24 Added an Anti-Forgery token […]

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 […]

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 […]

Creating specific themes for OIDC clients using razor views with IdentityServer4

This post shows how to use specific themes in an ASPNET Core STS application using IdentityServer4. For each OpenId Connect (OIDC) client, a separate theme is used. The theme is implemented using Razor, based on the examples, code from Ben Foster. Thanks for these. The themes can then be customized as required. Code: https://github.com/damienbod/AspNetCoreIdentityServer4Persistence Setup […]

Implementing an Audit Trail using ASP.NET Core and Elasticsearch with NEST

This article shows how an audit trail can be implemented in ASP.NET Core which saves the audit documents to Elasticsearch using NEST. Code: https://github.com/damienbod/AspNetCoreElasticsearchNestAuditTrail History 2020-01-12 Updated to .NET Core 3.1 2019-02-15 Updated to .NET Core 2.2 Should I just use a logger? Depends. If you just need to save requests, responses and application events, […]

Injecting Configurations in Razor Views in ASP.NET Core

This article shows how application configurations can be injected and used directly in razor views in an ASP.NET Core MVC application. This is useful when an SPA requires application URLs which are different with each deployment and need to be deployed as configurations in a json or xml file. Code: https://github.com/damienbod/AspNetCoreInjectConfigurationRazor 2019-07-29 Updated to ASP.NET […]