.NET code examples

SignalR hub example sending chat messages in ASP.NET Core

SignalR hub example sending chat messages in ASP.NET Core

Download a .NET SignalR example which adds a hub that sends messages to clients when one is connected and when a method is invoked.
Geolocation & IP lookup example to find client's location

Geolocation & IP lookup example to find client's location

A Geolocation code example in ASP.NET Core which uses IP lookup to find the client's location so you know which country they are located.
Stripe .NET checkout example to add online payments

Stripe .NET checkout example to add online payments

Download an ASP.NET Core Stripe checkout example that uses the Stripe.net NuGet package to take online payments through a Web API endpoint.
xUnit project example for unit testing in .NET and C#

xUnit project example for unit testing in .NET and C#

Download an xUnit test project to help you unit test your C# code in a .NET project. It includes Fact and Theory examples alongside different Assert methods.
Using Moq in an xUnit project to unit test a .NET project

Using Moq in an xUnit project to unit test a .NET project

Download an xUnit and a .NET class library project that uses the Moq mocking framework to mock objects as part of unit tests.
Get started with Entity Framework Core

Get started with Entity Framework Core

Get started with EF Core includes creating a DbContext, adding a migration, CRUD operations, the Include method, raw SQL queries and stored procedures.
ASP.NET Core Web API CRUD methods example

ASP.NET Core Web API CRUD methods example

Download an ASP.NET Core Web API code example which includes endpoints for each of the CRUD methods (Create, Read, Update and Delete).
Data annotation .NET 8 additions in an Web API example

Data annotation .NET 8 additions in an Web API example

An ASP.NET Core Web API code example which includes the new data annotations for .NET 8 such as AllowedValues and Length.
TimeProvider example for mocking time and timer in xUnit

TimeProvider example for mocking time and timer in xUnit

A .NET 8 xUnit project which uses the TimeProvider and FakeTimeProvider class to mock time and a timer in unit tests.
Keyed services for ASP.NET Core dependency injection example

Keyed services for ASP.NET Core dependency injection example

Download the code example for injecting keyed services with dependency injection with an ASP.NET Core web app.