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My new book ASP.NET Core in Action, Third Edition is available now! It supports .NET 7.0, and is available as an eBook or paperback.

Safely migrating passwords in ASP.NET Core Identity with a custom PasswordHasher
In this post I create a custom IPasswordHasher<> implementation that can be used in ASP.NET Core Identity to migrate from weak hashes like MD5 or SHA1.…

Validating phone numbers with Twilio using ASP.NET Core Identity and Razor Pages
In this post I show how to add phone number validation with Twilio's Lookup API to a Razor Pages app that uses ASP.NET Core Identity for user management…

Strongly-typed IDs in EF Core (Revisited)
Using strongly-typed entity IDs to avoid primitive obsession - Part 4
In this post I describe how to use strongly-typed IDs with EF Core by using value converters and a custom ValueConverterSelector, which actually works!…
in ASP.NET Core
Using strongly-typed entity IDs with EF Core
Using strongly-typed entity IDs to avoid primitive obsession - Part 3
In this post I discuss using strongly-typed IDs with EF Core by using value converters. Unfortunately this has some issues I only partially fix in this post.…
in ASP.NET Core
Adding JSON converters to strongly typed IDs
Using strongly-typed entity IDs to avoid primitive obsession - Part 2
In this post I continue looking at using strongly-typed IDs to solve common bugs, and provide converters to make them easier to use with ASP.NET Core.…
in ASP.NET Core
An introduction to strongly-typed entity IDs
Using strongly-typed entity IDs to avoid primitive obsession - Part 1
In this post I show a common case where primitive GUIDs are used for entity IDs, the issues it can cause, and a possible solution using strongly-typed IDs.…
in ASP.NET Core

