缓存部分视图Asp.net MVC 5

Question

I'm calling my partial view using jQuery Load

I tried using [OutputCache(Duration = 10, VaryByParam = "*")] but I have the same result I get 200 Ok Instead of 304 not modified

setInterval(function () {
    $("#ETLjobs").load('@Url.Action("indexp","JobsETL")');
}, 5000);

My controller is

[DonutOutputCache(Duration = 500)]
public ActionResult Indexp()
{
    var x = db.BIOGetETLJobs();
    var  y = from xx in x
                where xx.etat!="Completed"
                select xx;
    return PartialView(y);
}

by the way how to change the load action to a long polling ??

the cashe is working actually i get 200 OK (From Cache)

Answer 1

When using ASP.NET output caching, you will always get a 200 OK, even when the content is served from the server's output cache. That is the intended behaviour.

The server does not try to determine whether what you have cached locally is older than what is in the server's output cache, thus does not return 304 Not Modified.