Maintain the cache in internet browsers

Despite my efforts to prevent browser caching, the URLs of my applications are still being stored in cache. I have implemented the following code in the page load method of my master page to disable browser cache:

Response.Cache.SetCacheability(HttpCacheability.ServerAndNoCache);
Response.Cache.SetAllowResponseInBrowserHistory(false);
Response.Cache.SetCacheability(HttpCacheability.NoCache);
Response.Cache.SetExpires(DateTime.Now.AddSeconds(-1));
Response.Cache.SetNoStore();
Response.AddHeader("Pragma", "no-cache");

I also tried using meta tags in the HTML pages as an alternative, but the cached data is still showing up in the following browser paths:
1. chrome://cache/
2. about:cache?storage=disk&context=

javascriptasp.netcachingwebforms

Answer №1

To prevent storing cache, follow these steps:
1. Navigate to the App_Start directory.
2. Open the FilterConfig file.
3. Insert the code snippet below:

public class NoCacheResponseHeaderFilter:ActionFilterAttribute
    {
        public override void OnActionExecuted(ActionExecutedContext actionExecutedContext)
        {
            actionExecutedContext.HttpContext.Response.Cache.SetCacheability(HttpCacheability.NoCache);
            actionExecutedContext.HttpContext.Response.Cache.AppendCacheExtension("no-store,must-revalidate");
            actionExecutedContext.HttpContext.Response.AppendHeader("Pragma", "no-cache");
            actionExecutedContext.HttpContext.Response.AppendHeader("Expires", "Fri, 01 Jan 1990 00:00:00 GMT");
        }
    }

This code will clear the browser cache upon page refresh as it triggers the filter method before rendering the page.
I hope this information is useful.

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