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Summary
Wrapping up the C# track with what you can ship and where to go next.
What you learned
EXAMPLE
# C# summary You can now: - Reach for records, structs, nullable reference types as defaults - Use LINQ with deferred execution + grouping + projections - Author async code with proper cancellation + ConfigureAwait - Build ASP.NET Core minimal APIs with validation + DI - Use EF Core safely (migrations, AsNoTracking, projections) - Test with xUnit + FluentAssertions + WebApplicationFactory - Containerise + ship via OIDC-fed CI Next steps: - Try .NET AOT for serverless and CLIs - Adopt OpenTelemetry across services - Read the EF Core query translation docs once - Try minimal Aspire stacks for orchestrated local dev What to avoid: - Async void anywhere outside event handlers - Synchronous DB calls inside controllers - Skipping integration tests with WebApplicationFactory - Console.WriteLine for logging in services - use Serilog or ILogger
Why it matters
C# in 2026 is fast, terse, and good across web + cloud + games + mobile (MAUI). The combination of minimal APIs + EF Core + OTel + OIDC-fed CI is a production stack you can ship Monday. Stay current on EF Core and ASP.NET Core release notes; the runtime evolves quickly.
Tip: Tweak the snippet with Try it Yourself », then sit the quiz at the bottom of the page.
Example
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