C# - How To Update A Multi Value Cookie In Mvc

Jul 19 10 at 6:53

how i can update a multi value cookie in asp.net


Guidelines For Multi User / Multi Session / Multi Tab Cookie Enviroment?

Jan 18 at 8:32

Our current application is working fine but when you try to misbehave like we found out that When login with same user in multiple tab with different organization(there is a organization dropdown in the master page which sets the cookie whenever it is changed.) in tab one it is org 1 and tab 2 it is org2 , cookie has the later org 2 in it but when we go back in tab1(which had org1) and save the record org 2 will be saved with the record So can some one share some sort of a checklist with us which address these types of problem.

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State Management :: Cookie / It's Cause The Sql Server Update Twice :|

Dec 22, 2010 06:43 PM

I have a website of online games and I try to count and show the number of the uniqe visitor per game page, by using Cookies only. (if someone visit after 24hr it will be uniqe visitor too)

the problems is:sometimes (I don't know why), not always, it's update the counter colomn of the game, +2 instead +1, and I don't know why, there isn't any "for loop" etc.. maybe is't because the url rewrite? but it work fine if people enter again the colomn will not update again, the problem is that is update +2 instead +1 (see the code at the bottom)this is my algorithm (something is wrong in this algorithm so don't use it):

1. put the query string in variable (the name of the game) - i'm using url rewite.

2. use this variable for select the game Name (and another information) from the database (and for the cookie I will use the game name from the database and not from the query string to avoid from capital letter problems, because cappital letter for the first word isn't good because words like of, to etc..).

3. for each pageload (there isn't postback in the game page) check if the cookie of the uniqe game exists

4. if not exists, create a cookie for the unique game (the name of the cookie and the his value will be same, because I don't care about it, it's only for check if the cookie exist, and I can't use one cookie for all the games because each time visitor enter the cookie will create for 1 day).

4. after this creation of the cookie try to find if the cookie exist (for cheaking if the user didn't disable the option for cookies)

5. if yes update the database column of the spesific game

the code:

In the end of the page_load - (the GameName is the virable of the name of the game from the database and not from the qury string).


and the update function


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How To Update A Table And Get The Updated Value For Further Use In A Multi User Web Environment

Nov 22 10 at 22:11

I am working with asp.net 2.0 and sql server 2005. so trying to describe it below:


I have a few tables to hold data for billing information. The first table has each dedicated to each location, and a serial number that can be incremented. The concept is to update this data based on location, every time there is a new bill, so may be location A has serial 25 since it is doing well but location B has serial 5.


SO based on this requirement I need to update a table to get the latest serial for a particular location and then use that serial for other tables which will be holding the billing details. The second part is as regular as it can be, but generating a new number, and getting this value is my problem. Since this will be multi user system, so I want some robust solution. I do not know whether I can use a identity field for this purpose or not.

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ADO.NET :: Update A Record For Multi-user App Using Entity Framework .net 3.5?

Mar 23, 2011 02:34 PM

I have a webservice which of course has to be .net 3.5 (a side note is does anyone know why you can't create a webservice using .net 4.0?).

Anyhow it is using entity framework, which I have recently discovered was a really bad mistake to try to use this in .net 3.5.

I have a table "Licenses" with the following columns: LicenseKey, ProductCode, OrderID, Seq, UserName.

In my asp.net 4.0 application I can simply do the following to perform an update:


But it appears there is no ExecuteStoreCommand in .net 3.5 with entity framework. Can anyone explain to me how to accomplish the same thing? The thing I need to point out is that because this is a multi-user access service. I need to verify that SQL will only update the given record where OrderID and Seq is what I tell it ONLY if the UserName is already null. So if two users process the same statement at the same time only one would work and the other would not because the sql should fail (or return 0, rather than a 1) for the second one.

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Forms Data Controls :: Multi Rows Update In SQL Table?

Oct 01, 2010 06:32 PM

im tryin to do something without success. I have some SQL table with few columns (fileId(int), fileName, copies, color and finish), the page is build in a way, that the user upload few files (the files uploads to some folder, and the fileId and fileName are write to the above SQL table - so the other columns (copies, color, finish) are stay blank - which is OK!!!) after he finished uploading the files he can see the files names in GridView and in that grid view i put some textbox for copies, and 2 DDL for color and comments. I need to update the rows with the new data after the user click some button (the all rows) this is the code:



the aspx.cs


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Forms Data Controls :: Update Gridview Cell Width When Text Is Multi-lined

Dec 15, 2009 01:43 PM

I have a gridview which is being populated with some datatable, currently one of the column

can have multiline text, the issue is whenever the text is huge, the formatting of grid gets distorted, all the cells in the grid get expanded to accomodate the text.

However I would like only a single cell or may be single row which has huge text to expand whereas all the other rows should remain with the initial "HEIGHT" only..

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State Management :: Remove Item (Cookie) From Basket (Cookie Collection)?

Sep 08, 2010 10:02 AM

I am busy building a shopping cart with cookies. I have datalist which I populate from the cookies with a delete button next to each cookie


Now the problem is that when I hit the delete / remove button to expire the cookie, what happens when repopulating the datalist is that it shows the original cookie with all it's values as well as a new entry where all the values are blank.

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C# - If Cookies Are Disabled, Does.net Store The Cookie As A Session Cookie Instead Or Not?

Dec 24 09 at 5:03

basically, if cookeis are disabled on the client, im wondering if this...

dim newCookie = New HttpCookie("cookieName", "cookieValue")

newCookie.Expires = DateTime.Now.AddDays(1)


notice i set a date, so it should be stored on disk, if cookies are disabled does asp.net automatically store this cookie as a session cookie (which is a cookie that lasts in browser memory until the user closes the browser, if i am not mistaken).... OR does asp.net not add the cookie at all (anywhere) in which case i would have to re-add the cookie to the collection without the date (which stores as a session cookie)... of course, this would require me doing the addition of a cookie twice... perhaps the second time unnecessarily if it is being stored in browsers memory anyway... im just trying not to store it twice as it's just bad code!if i need to write another line or not? (which would be)...

response.cookies.add(New HttpCookie("cookieName", "cookieValue") ' session cookie in client browser memory

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State Management :: Updating Cookie / Change The Value In A Cookie?

May 10, 2010 01:00 PM

I want to change the value in a cookie:
HttpCookie hc = new HttpCookie("HiddenColumns");
hc.Value = customView.HiddenFields;
hc.Expires = DateTime.Now.AddDays(365);

Or this way:

Response.Cookies["HiddenColumns"].Value = customView.HiddenFields;;
Response.Cookies["HiddenColumns"].Expires = DateTime.Now.AddDays(365);

But when I retrieve the cookie value, it is still old, unless I do postback. I don't want to use Redirect.

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WCF / ASMX :: Cookie Refuses To Get Set When Asking For A Cookie From Webservice

Jun 08, 2010 01:15 PM

I'm trying to use a webservice that first expects the clients to login, to retrieve a cookie to re-use.
This is done through a login(string user, string pass) method on the webservice.

Doing this through a browser works fine, we get a cookie, and we can see the cookie via Fiddler or whatvever proxysniff thingy.

Time to do the same in ASP.Net, so we use the WSDL and generate a nice proxy class, and it works fine to call the login() method, but Never Ever does a cookie get set !

I already used the "cookiejar" technique - which means i create an instance of a CookieContainer and assign it to the proxyclass like this;

var cookies = new CookieContainer(3);

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Authentication - Multi-app And Multi-user Database

Oct 29 10 at 16:24

We have a simple ASP.NET app that uses the ASP.NET SqlMembershipProvider and all is great.

We want to create a second app on the same server, also use the SqlMembershipProvider, but a different "applicationName" so that the user accounts between the two apps are kept separate.

It looks like this would be possible by making the two different app domains (ie they each have their own web.config), but I'm hoping to just put them in different directories so I don't have 3 web.configs (one for each app, and the main one) that all have to be kept synchronized. So what I'm after is:

/APP1 (uses membership provider in /web.config, with userlist A)
/APP2 (uses membership provider in /web.config, with userlist B)

It looks simple to define multiple membership providers that use a different 'applicationName' value.

But how do you tell the system.web.authentication node which membership provider to use?

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How To Find The Cookie In IEs Cookie-store

Jun 14 10 at 13:31

I am a bit baffled here; using IE7, ASP.NET 2.0 and Cassini (the VS built-in web server; although the same thing seems to be true for "real" applications deployed in IIS) I am looking for the session-id-cookie. My test page shows a session id (by printing out Session.SessionId) and Response.Cookies.Keys contains ASP.NET_SessionId. So far so good.

But I cannot find the cookie in IEs cookie-store! Nor does "remove all cookies" reset the session (as it does in FF)... So where - I am tempted to write that four letter word - does IE store that bloody cookie? Or am I missing something? By the way there is no hidden field with a session id either, as far as I can see. If I check in FF there is a cookie called ASP.NET_SessionId as I would expect. And as mentioned above deleting that cookie does start a new session; as I would expect.

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How To Install Cookie In The Browser If It Is Detected That The Cookie In The Browser Is Not Enabled

Nov 13, 2009, 07:56

Is there any way to install cookie in the browser if it is detected that the Cookie in the Browser is not enabled.

I am using ASP.NET(C#).

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Response.Cookie Client Or Server/where Does The Cookie Saved? On Client Machine Or Server Machine?

Mar 7 at 3:24

When calling Response.Cookie.Add(new HttpCookie("MyCookie", "objValue")); where does the cookie saved? on Client Machine or Server Machine?

EDIT:if saved in Client Machine, how can I read it from javascript then? I tried this kind of script.

function getCookie(c_name) {
var i, x, y, ARRcookies = document.cookie.split(";");
for (i = 0; i < ARRcookies.length; i++) {

I cannot get the cookie that I saved from code behind. When I look into the document.cookie object, it is just an empty string.

Scenario:On Page_Init() on code behind. I create a cookie using Response.Cookie.Add(new HttpCookie("MyCookie", "cookieValue"));.
On Client side, I'm trying to read the cookie saved from code behind on page load using the snippet above, but it returns undefined

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AJAX :: Update Panel With A Gridview Loaad And Perform All Update.delete, Select Operations Throug Update Pabel?

Nov 16, 2009 02:25 PM

i am using an update panel with a gridview and want to loaad and perform all update.delete, select operations throug update pabel without complete page refresh but i cant fo that

here is what i am doing,

<asp:ScriptManager ID="ScriptManager1" runat="server">
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate >


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C# - Cannot Set / Get Value From Cookie

Jan 26 at 18:53

I have a very simple page with the following logic:

protected void Page_Load(object sender, EventArgs e)
if (null == Response.Cookies["UserSettings"].Value)
HttpCookie cookie = new HttpCookie("UserSettings");
cookie.Value = "The Big C";
cookie.Expires = DateTime.Now.AddDays(10);
// got here

I set a breakpoint in both the if and the else and the else break point never gets hit. The if statement gets hit every time. What could be wrong here?

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How To Set (get) Cookie Value In Ext.net

Mar 2 at 7:21

scene: when I click item in ext:ComboBox and want to set the item selected value to cookie variable. Finally, after I click ext:Button, the ext:Label get cookie value and display it.

But I get a error :Ext.Ajax Communication Failure.


<ext:ComboBox ID="ComboBox1" runat="server" StoreID="Store1" Width="100" Editable="false"
DisplayField="name" ValueField="value" Mode="Local" TriggerAction="All`enter code here`" EmptyText="Select a locale...">


protected void lngIndexChanged(object sender, DirectEventArgs e)
//Sets the cookie that is to be used by Global.asax
HttpCookie cookie = new HttpCookie("CultureInfo");
cookie.Value = ComboBox1.SelectedItem.Value ;
Label1.Text = cookie.Value;
//Set the culture and reload for immediate effect.
//Future effects are handled by Global.asax
Thread.CurrentThread.CurrentCulture = new CultureInfo(ComboBox1.SelectedItem.Value);
Thread.CurrentThread.CurrentUICulture = new CultureInfo(ComboBox1.SelectedItem.Value);

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Way To Add A Cookie In A Browser

Jan 04, 2009 06:33 PM

I'm trying to add a cookie to the browser, then use a Javascript alert box to show what the cookie is (as debugging). [CODE] HttpCookie cookie = new HttpCookie("CustomerID"); cookie.Value = drow[0].ToString(); //drow = a GUID cookie.Expires = DateTime.Now.AddMinutes(10d); Response.Cookies.Add(cookie); FavouritesButton.Attributes.Add("onClick", "alert('" + cookie.ToString() + "'); [/CODE] When I debug it, everything looks ok. But when the javascript alert box pops up, it says "System.Web.HttpCookie" instead of the GUID.

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MVC :: How To Create A Cookie In Mvc

Apr 01, 2010 04:46 AM

i'm trying to create a cookie in my application and i dont no how to do it can any one tell me how to do it

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MVC :: How To Use Session And Cookie

Sep 27, 2010 01:00 AM

in asp.net mvc, how to use session and cookie ?

I am trying to understand how a login session stored and implemented.

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Where Is .ASPXAUTH Cookie

May 19 10 at 14:49

In javascript alert(document.cookie); does not show the .ASPXAUTH Cookie although a sniffer is showing it,

I need it because I have an AJAX Request to the server, the request should not take place when the user is already logged in,

if I cannot check .ASPXAUTH for security reason, what I should do to check whether the user is already logged in.

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Write To First Cookie Or New One?

Jan 04, 2011 01:33 PM

I'm reading through the info here: [URL] I have a question about how cookies work.

I am creating a series of web pages where the user follows steps in a tutorial. I want to track in a menu that the user has completed a step. It seems cookies would be the best way to do this. My question is, when you create a cookie and you need to write to the cookie at a later time, does it write to the existing cookie or does it create a new cookie with the existing name? In other words, if I initially create the cookie and set all steps viewed as false, then when they complete a step I go back to the cookie and set a step to true, does this actually write to first cookie or write a new one?

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C# - Create Cookie For Other Applications?

Aug 3 10 at 5:25

Assume we have three different ASP.NET web applications in our intranet, that all of them have a login page and after authenticating user create a cookie for authenticated user. Is it available to have one page as a login page and create that three application's cookie from here and then redirect user to demanded application?

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C# - Create New Cookie To Edit Its Value?

Aug 25 10 at 18:20

I know that you can't edit incoming cookies. I have a cookie that I just need to read..nothing more but I have a need to remove some characters from its value so that I can parse it. How can I do this? I don't need to send the modified new cookie back in the response, it's just for my server-side consumption and then that's it.


figured it out:

HttpCookie facebookAuthCookie = HttpContext.Current.Request.Cookies[facebookCookieName];
string cleanValue = facebookAuthCookie.Value.Replace(""", string.Empty);
HttpCookie cleanedFacebookAuthCookie = new HttpCookie("cleanedFacebookCookie", cleanValue);

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Invalid Padding On 2.0 Cookie, MVC Looks Ok?

Apr 5 10 at 15:35

We have a cookie management library that writes a cookie containing some sensitive information, encrypted with Rijndael. The cookie encrypts and decrypts fine in unit tests (using Moq), works fine for MVC web applications, but when called from an ASP.net 2.0 website, the cookie cannot be decrypted. "Padding is invalid and cannot be removed."

We are sure that the cookie value is valid because we tested it 10,000 times with random data in a unit test. There is something about what ASP.NET 2.0 does when it reads and writes the cookie that causes trouble.

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Set Cookie To Expire At End Of Session?

Sep 17 10 at 16:45

I'm surprised i couldnt find any answers.

How do i set my sessionid in my cookie to expire at the end of session? (when the browser closes or the user has been inactive for a period of tie).

The two solutions i found were

(httpcookie).Expires = HttpContext.Current.Session.Timeout

Which gave me a compile error so i dont know if the user checked his code before posting. And the other was to set the expire date to 1 day ago which my gut says is wrong. How do i do this?

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How To Set Cookie Expire Time In C#

Jan 27 at 8:49

How do I set cookie expiration time in C#?

I want cookies to expire when the browser is closed. I found in many blogs that giving a previous date as the expiry date will cause the cookie to automatically expire, but that is not working in my case.

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Get A Session / Cookie From Another Domain?

Jan 19, 2010 07:33 PM

I've got a session/coockie from a phpbb forum. But i use in the website asp.net (the website has a different url and domain then the forum).

Can i get the session/coockie from the phpbb forum in the asp.net website?

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Retrieving Cookie From A Container In MVC And C#

Jul 14 10 at 17:11

//Controller code
CookieContainer cookieContainer = new CookieContainer();
//makes new cookie here

//Service/Facade code
//myCookie gets passed here

How do I pull the cookie out of the container to make sure it's the right cookie?

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What Is The Lifetime For A Session Cookie

Sep 15 10 at 1:02

I say until you log out, session times out or you close the browser. But am I right?

I had an interview today and the interviewer wanted to know if I log into a page and closes the browser (without logging off), what happens to the session.

I said that the session will be orphaned. He says no - because their users are able to connect back to the session by just opening up the browser (using a cookie only). I told him that's a persistent cookie - not a session cookie. And I said that if that's the cause, there is nothing preventing the user from exporting the [persistent] cookie to a another computer and starting the session on that computer.

At first he said you can;t export a cookie but when I explained how, he said that he'll look but since many many people including 2 architects came up with the design, it is unlikely they are all wrong.

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MVC Authentication Cookie Not Being Retrieved

Jun 7 10 at 11:43

I am having a hard time implementing "Remember Me" functionality in an MVC application with a custom principal. I have boiled it down to ASP.NET not retrieving the authentication cookie for me. I have included a snaphot below from Google Chrome.

Shows the results of Request.Cookies that is set within the controller action and placed in ViewData for the view to read. Notice that it is missing the .ASPXAUTH cookie Shows the results from the Chrome developer tools. You can see that .ASPXAUTH is included here.

Does anyone know what the issue may be here? Why does ASP.NET not read this value from the cookie collection?

My application uses a custom IPrincipal. BusinessPrincipalBase is a CSLA object that ust implements IPrincipal. Here is the code for that:


I do not think that any of this is related because the bottom line is that the Request.Cookies does not return the authentication cookie. Is it related to the size of the cookie? I heard there are issues to the size of the cookie.

UPDATE: It seems that the issue revolves around subdomains. This site was being hosted with a subdomain and the cookie domain was left blank. Does anyone have any pointers on how I can get the auth cookie to work with all domains (e.g. http://mydomain.com, http://www.mydomain.com, and http://sub.mydomain.com)?

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State Management :: Can't Get Value Cookie

Jul 06, 2010 01:56 AM

i have trouble about cookie path: I use VS 2005, code as:

HttpCookie aCookie = new HttpCookie("lastVisit");
aCookie.Value = DateTime.Now.ToString();
aCookie.Expires = DateTime.Now.AddSeconds(30);
aCookie.Path = "/TestCookie";

Seem that , i can't get value cookie,although my variable on page which inside TestCookie folder I try get cookie other pages which outside TestCookie folder ! Result is like before attempts.

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Javascript - Getting Date From Cookie

Nov 25 10 at 21:50

With asp.net i looked at a cookie value and see FireFox, Chrome:

"Thu Nov 25 2010 16:42:26 GMT-0500 (Eastern Standard Time)"


"Thu Nov 25 16:48:01 EST 2010"

I set it in JS like this.

$.cookie('pluginLastDate', new Date);

DateTime.Parse throws an exception with both these date style. How can i get a asp.net compatible date?

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C# - Javascript Function To Set Cookie Value?

Nov 8 10 at 2:01

I am new to programming and trying to write a javascript function to set a cookie value when a popup button is clicked.

In home.aspx

<input id="btnCanOK2" type="button" value="Close" class="popupButton" runat="server" onclick="return btnClose_Click" />

for this button, i have written a javascript function:

function btnClose_Click()
document.cookie = 'cookieName=closed; value=dontshowagain';

In merchant.login page

In the code behind of the other page, it has to check if the value of the cookie is set to "dontshowagain". If it is set to the value, the function should not show the popup again. My task is not to show the popup in different pages. If it is closed once, it has to stop showing again until the browser is closed.

if (Request.Cookies["closed"] == null)
else if(Request.Cookies["closed"].Tostring() == "dontshowagain")

Where am i doing wrong?? Now Cookie value is always null :(

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How To Display Something When A Cookie Expires

Jul 13 10 at 18:35

I'm wanting to show a video when a person comes to the site and doesn't have a cookie. After they see the video, a cookie is added, but when the cookie expires, the video is played again.

if (Request.Cookies["x"] != null)
//do nothing
Response.Cookies["x"].Value = DateTime.Now.ToString();
Response.Cookies["x"].Expires = DateTime.Now.AddHours(24);

I would think this would work correctly, however the movie only shows if the browser is cleared of all cookies. 24hrs later the movie will not play.

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Safe Way To Encode A Cookie Value In C#?

Apr 23 10 at 17:29

When storing a value in a cookie using C#, what is the best way to encode (or escape) the value so that it can be retrieved and decoded/unescaped reliably?

I'm not talking about encryption.

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Accessing A Cookie From A Class?

May 05, 2009 05:00 PM

Is it possible to access values from a cookie from a normal class? So have a class in App_Code that can run the below code.

//Gets the UserId of the logged in user
public static string GetUserId()
string cookieName = FormsAuthentication.FormsCookieName;
HttpCookie cookie = Context.Request.Cookies[cookieName];
FormsAuthenticationTicket ticket = FormsAuthentication.Decrypt(cookie.Value);
string sUserId = ticket.UserData;
return sUserId;

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How To Delete A Cookie In A Particular Page

Feb 17 10 at 4:33

i am using a cookie in some xxx.aspx page and i want to close the cookie (kill the cookie) in a yyy.aspx how can i do that one.

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Web Forms :: Cannot Set Cookie In Page_Init

Jun 11, 2010 04:33 PM

My code here:


When it runs, it successfully create a cookie thisVisit with today date as value.

However, when I reload the page, the cookie thisVisit becomes null.

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