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Build your first real backend: a Todo REST API with C# and ASP.NET Core. Step-by-step from zero to job-ready—CRUD, middleware, DI, Swagger/OpenAPI, EF Core + SQLite, and testing. Short posts with practical, copy/paste code.
If you’re learning .NET, here’s a roadmap that actually leads to real skills. What we built A Todo API with: REST endpoints (GET/POST/PUT/DELETE) Middleware (logging + global errors) Dependency Injection Swagger EF Core + SQLite persistence Int...
Writing code is fun. Keeping it working is what gets you hired. In this post we’ll add integration tests that spin up your API in memory and make real HTTP calls to it. Step 1 — Make Program visible to tests At the bottom of your Program.cs, add thi...
Right now our todos disappear when the app stops — because we’re storing them in memory. Let’s make it real:✅ EF Core✅ SQLite (simple local database file)✅ async database calls Step 1 — Add EF Core packages dotnet add package Microsoft.EntityFramewo...
If you want your API to feel professional, add OpenAPI (Swagger). It gives you: interactive docs “Try it out” buttons request/response examples Step 1 — Install Swagger package In your project folder: dotnet add package Swashbuckle.AspNetCore ...
In Post REST for Beginners in .NET: Build a Real /api/todos API (GET/POST/PUT/DELETE) – ASP.NET Core Middleware Explained (With Real Logging + Global Error Handling) we built endpoints and added middleware. Now it’s time for the skill that makes your...
In REST for Beginners in .NET: Build a Real /api/todos API (GET/POST/PUT/DELETE) we built a REST-style /api/todos API. Now we’ll add two things that almost every real API needs: Request logging (so you can see what’s happening) Global error handlin...