.NET 9 and C# 13 release
Swagger dropped from .NET 9: What are the alternatives?
Swagger has been dropped when using .NET 9 in the Web API template to create an ASP.NET Core app. We look at what other OpenAPI UI's are available.
Static asset file sizes can be reduced by over 80% in .NET 9
Static asset delivery optimisation in .NET 9 uses Brotli and Gzip compression for static asset files which can reduce the file size by over 80%.
C# 13 - New features and how you can use them now!
C# 13 has been launched as part of the .NET 9 release and we'll take a look at the new features and how you can start using them today.Free .NET code examples
Run an ASP.NET Core application in a Docker container
Download a code example which includes a Dockerfile to build and publish an ASP.NET Core Web API into a Docker container and run the application.
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.
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.
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.Try our C# online code editor
Convert hours, minutes and seconds into a time formatted string
Pass in the hours, minutes and seconds into a method and get it to return a time formatted string which should include leading zeros.
Contains online code editor
Work out the number of days between two dates
Write a C# function to work out the difference between two dates and return the number of days in this coding challenge.
Contains online code editor
Removing the last character from a string
This coding challenge involves writing a C# method that will removing the last character from a string and returning the value.
Contains online code editor
Write a C# function to convert MPH to KPH
Take our coding challenge to write a C# function with the necessary parameters that converts miles-per-hour (MPH) to kilometres-per-hour (KPH) and vice-versa.
Contains online code editor
Latest articles and tutorials
How do you write a Dockerfile for an ASP.NET Core app?
Learn how to Dockerize an ASP.NET Core Web API by writing a Dockerfile to restore, build and publish your .NET application to a Docker container.
Static asset file sizes can be reduced by over 80% in .NET 9
Static asset delivery optimisation in .NET 9 uses Brotli and Gzip compression for static asset files which can reduce the file size by over 80%.
Swagger dropped from .NET 9: What are the alternatives?
Swagger has been dropped when using .NET 9 in the Web API template to create an ASP.NET Core app. We look at what other OpenAPI UI's are available.
What's new in .NET 9? Key features you need to know!
Discover the latest updates in .NET 9. Explore new features, enhancements, and tools that you can use in your ASP.NET Core application right now!Get started with EF Core - Free online course
Create a DbContext class in Entity Framework Core
Get started with EF Core as we set up an ASP.NET Core Web API project and create a DbContext and the SQL Server database it will connect to.Entity Framework Core migrations: Add a migration
Learn how to add a migration to a DbContext using code first and update a SQL Server database with this EF Core tutorial.Insert, update & delete a record in Entity Framework Core
This tutorial will add EF Core CRUD methods in ASP.NET Core Web API webpoints by inserting, updating and deleting from a DbContext.Select rows using queries in Entity Framework Core
Learn how to create a EF Core query with LINQ that will select a single row and multiple rows of data with the option to add pagination.Learn .NET with our online courses
ASP.NET Core in .NET 6: Dependency Injection
Looking at dependency injection with C# examples for beginners. The course looks at what dependency injection is, the different service lifetimes, and some of the common errors.
Blazor WebAssembly: Building your first app
Looking at how Blazor WebAssembly works and some of its benefits. Looking how it compares to Blazor Server and how Razor components work.
Blazor WebAssembly: Foundation skills
Focusing how to use configuration, authentication, API integration with HttpClient, logging, deployment in a Blazor WebAssembly app.