Changing client side cookies in .NET
I have a few cookies in my applicaiton which are created using javascript.
Now I can read the cookies no problem. I can create the cookies in .NET and read them in javascript no problem. If the cookie is created in .NET i can modify it's value in .NET no problem. If the cookie is create in javascript I can modify it's value in javascript no problem.
What I can't do is change the value of a cookie created in javascript using .NET.
I have tried every permutation of Cookies.Add, Cookies.Set, Cookies.Remove using both the response and request objects.
I can debug the code and see the value changed in the Request object (or added to the Response object), however when it gets to the client the cookie's value hasn't changed, but rather a NEW cookie with the same name gets added.
It's almost as if the javascript cookies are read only in .NET.
If anyone has any code that set a cookie in javascript, and changed it's value in .NET i would GREATLY appreciate it. If you could post both the javascript and .NET code that would be perfect.
"A programmer will write code. A developer will put it together."
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PuckPuck
2/9/2004 11:29:23 PM
asp.net.getting-started
91979 articles. 
4 followers.
4 Replies
1348 Views
It should work. Can you post some repro code?
Bertrand
----
This posting is provided "AS IS" with no warranties, and confers no rights.
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bleroy
2/10/2004 12:26:36 AM
Javascript code to handle cookies
var docCookie = document.cookie;
var expCookie = new Date(new Date().getTime() + 24 * 60 * 60 * 1000); //add 24 hours to today
function getCookie(name) {
docCookie = document.cookie;
var index = docCookie.lastIndexOf(name + "=");
if (index == -1) return null;
index = docCookie.indexOf("=", index) + 1; // first character
var endstr = docCookie.indexOf(";", index);
if (endstr == -1) endstr = docCookie.length; // last character
return unescape(docCookie.substring(index, endstr));
}
function setCookie(name, value) {
if (value == 0 || (value != null && value != ""))
document.cookie = name + "=" + escape(value) + "; expires=" + expCookie.toGMTString();
}
I have a cookie called "contentArea" which is set to a number (0, 1, 2, 3)
Typically the cookie is set to 0, however if a certain condition is met in .NET code I need to set it to 3. I have tried all the following and none will change the cookie. The only thing I can do is add another cookie to the end of the collection.
{
Request.Cookies.Get("contentArea").Value = "3";
}
{
Request.Cookies.Add(new HttpCookie("contentArea", "3"));
}
{
Request.Cookies.Set(new HttpCookie("contentArea", "3"));
}
{
Request.Cookies.Remove("contentArea");
Request.Cookies.Add(new HttpCookie("contentArea", "3"));
}
I have also tried all the above blocks of code (not at the same time) with the Response object also. One thing I did notice, is that the expiration time is not present (or set) in the .NET objects when debugging, however I can set it explicitly in .NET and it will appear, it just won't appear if I set it in javascript.
"A programmer will write code. A developer will put it together."
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PuckPuck
2/10/2004 12:39:21 AM
Does anyone have any example code of creating and accessing a cookie in javascript then changing this same cookie's value in .NET?
"A programmer will write code. A developer will put it together."
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PuckPuck
2/10/2004 3:05:35 PM
I have the same problem, and the same result, two cookies with the same name.
Any solution? A bug?
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WinMan
3/18/2004 8:09:00 AM
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