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menu_book Course Curriculum (ASP.NET Core) expand_more

Application Foundation

Minimal API WebApplication builder Dependency injection Options pattern Configuration binding Environment checks Middleware Endpoint groups

HTTP APIs

Route parameter Query parameter Model binding Validation ProblemDetails Exception handler middleware File upload Streaming response

Data and Auth

EF Core DbContext Entity configuration LINQ query Migration command Transaction Identity registration JWT bearer auth Policy authorization

Production

Response caching Output caching Rate limiter CORS policy Health checks BackgroundService SignalR hub WebApplicationFactory test

ASP.NET Core / HTTP APIs

ProblemDetails

Learn ProblemDetails in ASP.NET Core through a focused explanation, a topic-specific example, an engineering warning, and a mastery check.

12 min read • Intermediate

aspnet-core-013.cs

csharp

return Results.Problem(title:"Order unavailable",statusCode:409);

What to watch

Content source & attribution

Original Syntaxis Content · Original Syntaxis Content

Lesson quizzes

ProblemDetails Mastery Check →

Exception handler middleware