Understanding DbContext and DbSet: The Core of EF
I remember when I was just starting to use Entity Framework (EF) seriously in one of my previous projects, a financial settlement system, the biggest…
Masasi Arai
Solutions Architect | Developer | Blogger
Masasi Arai
Solutions Architect | Developer | Blogger
Read MoreUnderstanding DbContext and DbSet: The Core of EF
How to Install and Configure EF Core in .NET 9 Projects
If you’re reading this, chances are you’re either just starting with Entity Framework Core or you’re moving an older project to .NET 9 and want…
Getting Started with Entity Framework Core: From Zero to Working DbContext
When I first worked on an internal reporting tool for our financial system, I was greeted by thousands of lines of raw ADO.NET, SqlCommand, DataReader,…
FluentValidation with Blazor WebAssembly: Making Validation Less Painful
Not too long ago, I wrote a blog post titled Getting Started with FluentValidation, where I focused more on how to use FluentValidation in the…
CQRS with MediatR in ASP.NET Core: Clean Separation of Concerns
Hi there! If you’ve been building ASP.NET Core applications for a while, like I have, you probably reached a point where you started asking yourself:…
Working with SignalR in .NET Core
Hi! In this post, I’ll share how we used SignalR in .NET Core to build a real-time API Health Check Dashboard, something we actually deployed,…
Async Programming in .NET: Best Practices
I still remember one of my early projects using .NET. It was a service integration task, I had to call an external API to retrieve…
Stop Over Engineering Your DTO Mapping in .NET
In my earlier projects, I always reached for third-party libraries whenever I needed to map domain models to DTOs. It felt like the standard approach.…
Building Multi-Tenant Applications in .NET
When I started working on a payroll and HR system for multiple clients, the biggest technical hurdle was building it as a multi-tenant application. Each…
Entity Framework Core: Migrations Explained
Today, I want to share a bit of my journey while working on a real-world project where I had to manage database changes properly using…
