entityframeworkcore

Oof. What even is this title? Descriptive - sure, maybe - but also kinda long. Ah, okay. This article explains how to map complex data types to a SQL database when using Entity Framework. This time, I'm using Fluent API to do this.

Okay - so that's a non-descriptive title if I've ever written one - I apologize for that! I just couldn't figure out a way to shorten the error when "Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore" is referencing "Microsoft.

This article explains how to achieve that nice configuration where you can reuse your .NET EF Core (Entity Framework Core) entities in different projects - even being separate from the project holding your DbContexts!

Another day, another issue. This time, I was absent-mindedly following the guidance for a project on how to generate .sql files for .NET EF Core code-first migrations. Don't ask why that was required, but it was. My migration was simple.

I'm using Entity Framework in most of the projects that I'm working on - and for the most part, it's a pleasure to work with. But as always, there are plenty of chances to run into issues...

Another quick one - I'm sure this doesn't apply to all cases, but I'm still logging it in case someone (like myself) stumbles upon the issue and finds help here.

This article explains how to fix a weird situation where your .NET application utilizing EF ( Entity Framework or Entity Framework Core ) simply crashes without any way to recover or catch the Exception.

Hah - another interesting one. This article describes how to resolve an error along the lines of " Microsoft.Data.SqlClient: Microsoft.Data.SqlClient is not supported on this platform. ", thrown by the Azure Functions host.

This article explains how to perform a very simple and lightweight database connection test for an existing database context.

This time, I'm happy to present you perhaps the simplest way of fixing an annoying and persistent issue with a misleading error message! Wait, does that sound familiar? It's almost like that's what half of my articles are about...

This article offers yet another possible fix to an issue, where trying to call SaveChanges() in Entity Framework Core throws a pretty generic "An error occurred while updating the entries"-exception, and you're left wondering what in tarnat...

Recently, while building an app service to host a .NET Core API, I had to implement the logic for using both Read-Only and Read-Write Database Contexts for Entity Framework Core.

This article describes how to access and extract the connection strings from your Entity Framework (Core) database context objects.

When you're in your .NET Core project, it's always easy: you just register your DbContext in ConfigureServices, and then inject it into whichever Page, View or Controller you might need it in.

This is a tip that should often be the first thing you do in your projects with database backend, no matter which technology you use: Add some basic info about modified and created times, and the user information - so that if something happens, every...

This article describes how to fix a situation, where you can't use any of the navigation properties of your Entity Framework Core entities, since they are all null, despite data being in the database for sure. So, another day, another error.

This post describes how you can access your Entity Framework Core model classes and the database context in your Azure Functions. In my example I'm using EF Core 2.1, but the main principle should be the same for later versions as well.

Another weird, but simple issue I ran into when building a simple .NET Core application. The article should apply to pretty much any .NET Core version, but the version I was on was 2.2.

This post describes one no-brainer fix to the error "An assembly specified in the application dependencies manifest [projectname].deps.json was not found." I ran into this while running Update-Database for my ASP.