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.NET code examples

.NET Worker Service setup to run background tasks as a Windows Service

A .NET 6 Worker Service example running background tasks as hosted services, and setup to run as a Windows Service

AppSettings.json example in .NET and C#

Download our appsettings.json example which focuses on how to read a value, using ConnectionString, environment and logging.

Data Annotation custom validator in ASP.NET Core

Download a Data Annotation custom validator written in C# that can be used in .NET with MVC and Web API for model validation.

A FromBody and FromQuery sample in ASP.NET Core Web API

An ASP.NET Core example of using the FromBody and FromQuery attribute. Handy if your request is null, or getting a 415 error.

Download a Blazor WebAssembly button onclick event example

Use a Blazor Wasm parameter to pass the onclick event to another Razor compoment and use it async. Download the code example.

Dynamic queries using LINQ expressions

Writing dynamic queries for Entity Framework. A sample .NET 5 MVC application, showing examples of LINQ expressions.

Read appsettings.json config in ASP.NET Core

Download the source code and read the appsettings.json file in an ASP.NET Core MVC application. Bind using the options pattern.