How to call function on timer ASP.NET MVC

I need to call function on timer (lets say onTickTack() function) and reload some info in ASP.NET MVC project. I know that there are several ways to do that, but which one is the best by your opinion?

Note: the function should be called from one place only, and should be called every X mins till application is up.

Reload some info – for example I have something in the Cache and I want to update it from DB on timer – once a day in certain time.


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Method 1

The answer to this question would very much depend on what do you mean by reload some info in ASP.NET MVC project. This is not a clearly stated problem and as such, more than obviously, it cannot have a clearly stated answer.

So if we assume that by this you want to periodically poll some controller action and update information on a view you could use the setInterval javascript function to periodically poll the server by sending an AJAX request and update the UI:

window.setInterval(function() {
    // Send an AJAX request every 5s to poll for changes and update the UI
    // example with jquery:
    $.get('/foo', function(result) {
        // TODO: use the results returned from your controller action
        // to update the UI
}, 5000);

If on the other hand you mean executing some task on the server at regular periods you could use the RegisterWaitForSingleObject method like this:

var waitHandle = new AutoResetEvent(false);
    // Method to execute
    (state, timeout) => 
        // TODO: implement the functionality you want to be executed
        // on every 5 seconds here
        // Important Remark: This method runs on a worker thread drawn 
        // from the thread pool which is also used to service requests
        // so make sure that this method returns as fast as possible or
        // you will be jeopardizing worker threads which could be catastrophic 
        // in a web application. Make sure you don't sleep here and if you were
        // to perform some I/O intensive operation make sure you use asynchronous
        // API and IO completion ports for increased scalability
    // optional state object to pass to the method
    // Execute the method after 5 seconds
    // Set this to false to execute it repeatedly every 5 seconds

If you mean something else, don’t hesitate to provide more details to your question.

Method 2

You can use the Timer class in OnApplicationStart Event of Glbal.asax…

public static System.Timers.Timer timer = new System.Timers.Timer(60000); // This will raise the event every one minute.

timer.Enabled = true;
timer.Elapsed += new System.Timers.ElapsedEventHandler(timer_Elapsed);

static void timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
  // Do Your Stuff

Method 3

I do this by starting a worker thread from Application_Start().

Here’s my class:

public interface IWorker
    void DoWork(object anObject);

public enum WorkerState
    Starting = 0,

public class Worker : IWorker
    public WorkerState State { get; set; }

    public virtual void DoWork(object anObject)
        while (!_shouldStop)
            // Do some work

        // thread is stopping
        // Do some final work

    public void RequestStop()
        State = WorkerState.Stopping;
        _shouldStop = true;
    // Volatile is used as hint to the compiler that this data
    // member will be accessed by multiple threads.
    protected volatile bool _shouldStop;

It’s started like this:

        var backgroundThread = new Thread(Worker.DoWork)
                                      IsBackground = true,
                                      Name = "MyThread"

Method 4

My solution is this way;

<script type="text/javascript">
        function ()
            $.post("@Url.Action("Method", "Home")", {}, function (data) {
        }, 5000)

Called Method;

public ActionResult Method()
  return Json("Tick");

All methods was sourced from or, is licensed under cc by-sa 2.5, cc by-sa 3.0 and cc by-sa 4.0

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Ebaad Uddin
Ebaad Uddin
1 year ago

is it harmful to my application in any sense if I use Method 2 Timer class to call a controller method Index() with regular intervals ?

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