Free Course — No signup required

Learn .NET Development
in 5 Days

C# is C-like syntax with the power of .NET. Build APIs. Write Blazor UIs. Deploy to Azure.

5 lessons
Self-paced
~60 min/day
Free forever
No account needed
Start Day 1 — Free → See what's covered
What you'll learn

C# in 5 Days

Free 5-day C# course. .NET fundamentals, ASP.NET Core APIs, Entity Framework, Blazor UI, and deploying to the cloud.

  • Write idiomatic C#: LINQ, async/await, nullable reference types
  • Build an ASP.NET Core Web API with proper error handling
  • Use Entity Framework Core for database access with migrations
  • Create a Blazor component-based UI without JavaScript
  • Write xUnit tests and use dependency injection correctly
  • Deploy a .NET app to Azure App Service or as a Docker container
.NET
ecosystem
LINQ
power
5
lessons
$0
cost
5-Day Curriculum

Every lesson has a real exercise.
No theory without practice.

01
C# & .NET Fundamentals
Types, classes, LINQ, async/await, nullable, records
LINQasync/awaitrecords
→
02
ASP.NET Core Web API
Controllers, routing, middleware, validation, Swagger
controllersmiddlewareSwagger
→
03
Entity Framework Core
DbContext, migrations, querying, relationships
EF CoremigrationsLINQ queries
→
04
Blazor UI
Blazor Server vs WASM, components, data binding, forms
Blazorcomponentsdata binding
→
05
Testing & Deployment
xUnit, Moq, Docker, Azure App Service, CI/CD pipeline
xUnitDockerAzure
→
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Your instructor
B
Bo Peng
Founder, Precision AI Academy

Kaggle Top 200 data scientist. Trained 400+ professionals across universities and federal agencies. Built production systems at scale. This course is practical first — every lesson has code you can run and an exercise you can finish in under an hour.

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