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Marcin Jamro, PhD, DSc
How to implement background service executing actions every hour?
C# | .NET | ASP.NET
There is often the necessity to perform some tasks periodically in the background, such as every hour or every 6 hours. Fortunately, you can easily create such a mechanism in your ASP.NET Core web application with a background service.
First, let's define a class representing the background service. Within it, you can specify frequency of actions, as well as write the code that will be executed cyclically, as presented below:
public class HourlyBackgroundService(IServiceProvider serviceProvider) : BackgroundService { protected override async Task ExecuteAsync(CancellationToken stoppingToken) { using PeriodicTimer timer = new(TimeSpan.FromHours(1)); while (await timer.WaitForNextTickAsync(stoppingToken)) { using IServiceScope scope = serviceProvider.CreateScope(); using AppDbContext dbContext = scope.ServiceProvider.GetRequiredService(); /* Database-related operations */ Console.WriteLine($"{DateTime.Now:HH:mm:ss}"); } } }
To start background service execution, you need to configure it in the Program.cs
file, as follows:
WebApplicationBuilder builder = WebApplication.CreateBuilder(args); (...) builder.Services.AddHostedService(); (...) WebApplication app = builder.Build(); (...)
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Hello, I am Marcin
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