Web Forms :: How To Clear Browser Cache
Dec 16, 2010
In my site i m redirecting to login page when i m clicking on loguot button. before that i have written follwing code for clearing cache/history-
Session.Clear();
Session.Abandon();
Response.Cache.SetCacheability(HttpCacheability.NoCache);
Response.Cache.SetExpires(DateTime.Now.AddSeconds(-1));
Response.Cache.SetNoStore();
but when i m pasting previous page url in address bar then it is showing that page. i dont want to show that page.
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May 7, 2015
I am inserting and updating the image from html file upload to my gridview / insertion goes fine , but when i update the image by clicking on edit using onselectedindexchanged event of gridview, I fetch the image then change it with other image, with this simultaneously i rebind the gridview, in the beck-end everything goes fine it updates and replaces the image but in gridview it won't show after updated. I am using postbacktrigger on my submit button, but gridview won't refreshes, until and unless i click on address bar and press ENTER , or until i won't press CTRL+F5 to clear the browser cache.
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Oct 25, 2013
when i first run my applcation some time its showing the data from cache.i want to avoid it in first time .
i want to cache my all images/css/js file what is the efficient way to do it.
i have lot of images folder /js /css files.
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Aug 1, 2010
I have a page that deploys a user control to display an article. The page will show a different article depending on the ID parameter fed in via querystring, and there are many thousands of articles in our db. Here is the problem: I need to cache the user control to improve performance. But editors constantly need to go in and make changes/corrections, which they want to appear instantly on the site. Is it possible to clear the cache for a specific article only once it has been edited? ie for the request article.aspx?id=123? If so how would I do this? Otherwise, if the cache is cleared for all our content every time a single piece of content is edited, it will defeat the object of caching in the first place. I have tried using a cache key as recommended here: [URL] However, this apporach suffers from the drawback mentioned above. have also seen that you can set caching up to be cleared by changes to the db. However, the particular table concerned holds content for a number of other sites and would also have the same disadvantage.
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Jan 21, 2011
In my aplication (ASP.NET + c# ) when user goes to a aspx page , I need to clear cache first.
Does anyone have any idea how can I progrmaticaly make clear cache on an aspx page, or in it's code behind (c#)?
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Mar 10, 2010
I created a custom 404 page and set its output cache duration to 7200 seconds (the pages themselves aren't updated more than twice a day, so I figured this was reasonable).
I ran into an error on the live side of things when I uploaded it, and I'm trying to debug and solve it. The problem is that I can't seem to figure out how to get rid of the cache itself, which definitely appears to be getting in the way. The reason I say that relates to my stack trace:
Server Error in '/' Application.
Input string was not in a correct format.
Description:
An unhandled exception occurred during the execution of the current web request. review the stack trace for more information about the error and where it originated in the code. Exception Details: System.FormatException: Input string was not in a correct format.
Source Error:
[Code]....
Stack Trace:
[Code]....
I've been trying to debug the ExtractURLComponents sub, and even commented out every line in it.
[Code]....
I'm still getting an error, even with every line of the sub commented out. So this is why I'm thinking it's got something to do with the cache. I tried clearing it with a different page using this:
[Code]....
I'm not sure if there's anything I'm supposed to do to clear the cache.
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Jul 20, 2010
My web client requires client-side output caching since it makes use of its own Back and Forward buttons (which basically just call the browser back/forward buttons).
The issue I'm having, however, is (of course) when the user signs out of the app. The client-side output cache remains so anyone can click the "back" button and it appears to be signed in again. I've researched a few solutions, but most involve server-side output caching or no output caching at all.
I've had success with server caching and HttpResponse.RemoveOutputCacheItem, but unfortunately I need the client side caching.
Is it at all possible to clear this client side output cache upon logging out?
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Aug 16, 2012
How do I force a control+F5 (deleting cache) when updating an application? The users will not do this so I need to force this. Can we use some kind of flush method checking version or...?
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Feb 3, 2010
I would like to reset/clear an item in the Cache, but without resetting the application or writing a specialized page just for this. ie, a non-programmatic solution.
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Mar 16, 2010
I have a asp.net web application and I'm using cache (HttpRuntime.Cache) to save some stuff from db.
I also update db from time to time so that data in db does not match the data in my application's cache.
Is there any way how to clear my application's cache without modifying any source code or republishing the page?
I tried to restart IIS and to clear browsers cache
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Sep 9, 2010
I have various caches on my compiled website. However, I need to clear all these caches. Is there a way of doing this (without having to restart the server!)?
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Jul 25, 2013
I have an web application which requires login. When users finish their activities they simply logout. What I need is to clear browser history when user click logout button. This should disable BACK button in browser.
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Mar 11, 2011
How can I manually clear ASP.NET server cache related to a give application/web site like what can be done on IE to clear browser cache for a give domain? BTW, I am using II7.
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Feb 12, 2011
I am having a probem when logout from my website.When i copy the URL page which is the page after login,and paste it again in browser,i can direct it to the page even though i alr logout. I not using any buit in asp control,and the logout button link that i create is place at Master Page.
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Jul 20, 2010
I have an content page that got
<%@ OutputCache Duration="600" VaryByParam="*" %>
Now i want to display a link on the same content page that actually clear the cache.
[Code]....
But its just not working, What i am doing wrong here?
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Aug 16, 2010
I like to clear the IE Pagesetup--> header and footer using Asp.net 1.1 , I have tried in 2.0 Dotnet it works fine it is not working in 1.1 and its urgent too this is the code i tried ...........
public void IESetupFooter()
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Mar 10, 2010
I have a website that i did some time ago now they request some new features and i did some changes in some javascript files, but when i publish the clients that use the IE have problems with cache so in they browser they have old version of javascript. How can i clear the client cache so when they visit website they use latest javascript files that i modify.
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Jan 11, 2010
Not sure if i'm posting in the right forum, if not, please move it...i have the following issue... I want to "disable" browser's back button. Seems it's not possible, but using cache.setcacheability and timing it, kinda disables the option of navigating back. I need this because in some pages of my webpage, i keep values in a Session variable so when a page loads, i need to check that variable, and, if navigating back, cant do that. I also "set cache to false" because if someone closes session, and i allow cache, someone else could handtype a url in that same pc and see the page without login (though if he/she tries to navigate through it will be kicked out because when loading a new page, i'll know that he/she is not logged) but i dont want to allow even that,
that's why cache is disabled. The problem is that loading over and over again my masterpage (header, footer, menu and stuff) is going to slow down the webpage, because every time there's a request, the page has to be sent again completely. So, is there something like a "mix" mode where i can allow cache just for a few things? If not, what's the best practice to achieve both things i'm trying: speed and security?
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Jun 28, 2010
how to remove css,java script file from browser cache for IE6 and IE7 ?
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Sep 1, 2010
i want to clear history of user page after they sign out from their page manipulations.I googled it and found some ways with cacheability,but it doesnt work fine.
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Feb 22, 2011
[Code]....
How to prevent browser from caching image, Trsponse.Cache.NoStore didn't work
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Oct 13, 2010
I have issue about multiple login in asp.net.
Case this happen:
User X login as "user1" in web browser.
Then user Y also login as "user1" also in another web browser.
User Y got error message "Another user log in some account".
That is work as expected.
If X, close their web browser. Then try again to login in as "user1".
X get also get "Another user log in some account".
So i trying debug then i found session is remove when web browser is close, but cache still remaining in web browser.
how to clear cache when user close their browser, (not tab).
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Jan 24, 2011
If i enable client side cache in my asp.net application where it store that cache controls in my computer
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Sep 18, 2010
I have a menu on my site that changes depending on whether the user is logged in or not. With browser caching, the menu "gets stuck" in either state and is confusing to users.They'll login, but the menu won't update because it's still cached in the unauthenticated state... and vice versa.How is this typically handled? Can we refresh the user's browser cache from our code? Or do I just not allow browser caching? (would rather use it, very nice bump in speed).UpdateHere's how I set client-side, browser caching in my asp.net mvc 2 app:
public class CacheFilterAttribute : ActionFilterAttribute {
/// <summary>
/// Gets or sets the cache duration in seconds. The default is 10 seconds.
[code]...
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Dec 21, 2010
I'm using an outside page to update an image in my system. When I'm redirected back to the page I've worked in, I still see the old picture. I don't see my changes until I press ctrl+f5.
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