Tutorials Microservices with .NET

OData in ASP.NET Core Web API — Complete Guide

OData in ASP.NET Core Web API — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview tips — part of Microservices with .NET on Toolliyo Academy.

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Microservices with .NET · Lesson 64 of 131

OData in ASP.NET Core Web API

Beginner ✓Intermediate ✓AdvancedProfessional

Advanced · 3 — Production skills · ~10 min · Module 7: gRPC, CQRS, and GraphQL

What is this?

OData in ASP.NET Core Web API is part of ShopNest Cloud-Native — how .NET teams split and connect services in production.

Why should you care?

You need OData in ASP.NET Core Web API when moving from one API to many services that deploy independently.

See it live — copy this example

Create a Web API project (dotnet new webapi), paste the code, then run dotnet run.

// OData in ASP.NET Core Web API
dotnet new webapi -n ShopNest.Service
// Apply this lesson pattern in Program.cs

Run Example »

This lesson uses terminal or setup steps. Run commands on your computer — the live editor appears on coding lessons.

What happened?

  • Read the example line by line.
  • Each part connects to OData in ASP.NET Core Web API.

Try it yourself

  1. Create or open the ShopNest service project.
  2. Apply the pattern from this lesson.
  3. Run dotnet build && dotnet run.
  4. Change a string or route in the example and save — watch Swagger or the RabbitMQ Management UI update.
  5. Break the code on purpose (remove a semicolon), read the error message, then fix it.

Remember

You learned OData in ASP.NET Core Web API in plain terms. Practice on ShopNest before moving on.

Interview prep for this lesson

Practice these questions aloud after reading—each links to a full structured answer.

Mid PDF Detailed
Isolate Business Logic: Test only the core business logic, ensuring no external?
Short answer: dependencies like databases, APIs, or other services are involved. Real-world example (ShopNest) After payment succeeds, ShopNest publishes OrderPaid . Inventory and Notification services react independentl…
Mid PDF Detailed
Tight Coupling: Services become tightly coupled, violating the core microservice?
Short answer: principle of independence. Real-world example (ShopNest) ShopNest splits Catalog, Cart, Order, and Payment into services so teams can deploy catalog changes without redeploying payments. Say this in the int…
Senior PDF Detailed
Distributed Transactions: Using Two-Phase Commit (2PC) or Sagas to ensure?
Short answer: that a transaction either commits or rolls back across multiple services. Real-world example (ShopNest) After payment succeeds, ShopNest publishes OrderPaid . Inventory and Notification services react indep…
Mid PDF Detailed
Data Consistency: Since all services share the same database, it's easier to ensure?
Short answer: data consistency and avoid issues like eventual consistency. Real-world example (ShopNest) ShopNest splits Catalog, Cart, Order, and Payment into services so teams can deploy catalog changes without redeplo…
Mid PDF Detailed
Liveness Probe:?
Short answer: Used to determine if a service is alive and functioning. If the liveness probe fails, Kubernetes will restart the container. Example: A database connection check can be implemented as a liveness probe. Real…
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Microservices with .NET
Course syllabus

Microservices with .NET Tutorial

Module 1: Foundations and Fundamentals
Module 2: Building User Microservice
Module 3: ShopNest Services and Integration
Module 4: RabbitMQ and Messaging
Module 5: Saga and Distributed Transactions
Module 6: API Gateway
Module 7: gRPC, CQRS, and GraphQL
Module 8: Resiliency and Fault Tolerance
Module 9: DevOps and Cloud-Native
Module 10: Git and GitHub
Module 11: CI/CD Pipelines
Module 12: Observability and Testing
Module 13: Advanced Topics
Module 14: Real-World Enterprise Projects
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