How Can I Run Asynchronous Methods at Regular Intervals in C#?

C#mid -term execution asynchronous method

This article provides a solution to the service to the service from the C# web application with an asynchronous method and the

cycle.

while The limitations of the Timer class

The class that is usually used for planning tasks, accepting the signature

method. This will bring restrictions when trying to execute asynchronous methods to call Web services.

Timer asynchronous task cycle void MethodName(object e, ElapsedEventArgs args)

In order to overcome this limit, you can use cycle binding :

while This cycle will be regularly executed by the Task.Delay method, and uses the specified interval and the cancellation token. You can stop the cycle at any time by passing the tokens from Web applications.

<code class="language-csharp">public async Task PeriodicFooAsync(TimeSpan interval, CancellationToken cancellationToken)
{
    while (!cancellationToken.IsCancellationRequested) // 使用CancellationToken改进
    {
        await FooAsync();
        await Task.Delay(interval, cancellationToken);
    }
}</code>

Other precautions

FooAsync

For ASP.NET applications, it is critical to avoid the "startup and forget" operation that may affect the performance of the application. In order to ensure a reliable background task, consider using special services or tools, such as Hangfire or Quartz.net. This will ensure that the task is managed outside the normal operation of the application to avoid resource conflict.

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