Error Handling and Problem Details in ASP.NET Core
Handle ASP.NET Core error handling with RFC 9457 Problem Details: AddProblemDetails, IExceptionHandler, validation, trace ids, and no stack trace leaks.
Category
.NET
Practical .NET, C#, ASP.NET Core, and EF Core guides, from installing the SDK to deploying with CI/CD.
12 articles
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Authentication and Authorization in ASP.NET Core
Add ASP.NET Core authentication and authorization to a Web API: JWT bearer and cookies, claims, roles, policies, and…
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Dependency Injection in ASP.NET Core: Lifetimes and Best Practices
Master dependency injection in ASP.NET Core: transient, scoped, and singleton lifetimes, captive dependencies, the options pattern, and keyed…
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Building a Web API with ASP.NET Core: Controllers and Routing
Build an ASP.NET Core Web API end to end: controllers, attribute routing, model binding and validation, DTOs, status…
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ASP.NET Core Fundamentals: Middleware, DI, and the Request Pipeline
Understand ASP.NET Core middleware: pipeline order, Use, Run, and Map, writing custom middleware classes, endpoint routing, and how…
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Nullable Reference Types: Avoiding NullReferenceException
Enable nullable reference types in C#: nullability annotations, the ! operator, required members, nullability attributes, and a legacy…
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Async and Await in C#: Writing Non-Blocking Code Correctly
Use async and await in C# correctly: what Task really is, ValueTask, ConfigureAwait, async void, cancellation tokens, and…
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LINQ in C#: Querying Collections the Idiomatic Way
Write idiomatic LINQ in C#: query vs method syntax, deferred execution, IEnumerable vs IQueryable, multiple enumeration traps, and…
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Object-Oriented C#: Classes, Inheritance, and Interfaces
Master object-oriented C#: classes, properties, constructors, inheritance, abstract classes, interfaces, records, and when composition beats inheritance.
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C# Basics: Types, Variables, and Control Flow
Learn C# basics for backend work: value vs reference types, var, string interpolation, if and switch expressions, loops,…
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.NET Versions Explained: LTS vs STS and Which to Choose
Confused by .NET LTS vs STS? See the release calendar, support windows, and a decision framework for picking…
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Installing .NET SDK and Setting Up Your First Project
Learn how to install .NET SDK on Windows, macOS, or Linux, verify it with dotnet --info, then build…
