How to programmatically clear outputcache for controller action method

by

Try this

var urlToRemove = Url.Action("AjaxHtmlOutputMethod", "Controller");
HttpResponse.RemoveOutputCacheItem(urlToRemove);

UPDATED:

var requestContext = new System.Web.Routing.RequestContext(
    new HttpContextWrapper(System.Web.HttpContext.Current),
    new System.Web.Routing.RouteData());

var Url = new System.Web.Mvc.UrlHelper(requestContext);

UPDATED:

Try this:

[OutputCache(Location= System.Web.UI.OutputCacheLocation.Server, Duration=3600,VaryByParam="param1;param2")]

Otherwise the cache deletion won’t work because you’ve
cached the HTML output on the user’s machine

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