Comments on: How-To: Delete a cookie in ASP.NET http://www.hackification.com/2009/01/25/how-to-delete-a-cookie-in-aspnet/ Tue, 07 Sep 2010 01:29:59 +0000 hourly 1 http://wordpress.org/?v=3.0.1 By: Navdeep http://www.hackification.com/2009/01/25/how-to-delete-a-cookie-in-aspnet/comment-page-1/#comment-317 Navdeep Thu, 25 Jun 2009 12:51:36 +0000 http://www.hackification.com/?p=70#comment-317 Its ok but how will to delete cookie with the resposnse.Cookies.remove("test"); Its ok but how will to delete cookie with the resposnse.Cookies.remove(“test”);

]]> By: Craig http://www.hackification.com/2009/01/25/how-to-delete-a-cookie-in-aspnet/comment-page-1/#comment-316 Craig Mon, 26 Jan 2009 08:09:52 +0000 http://www.hackification.com/?p=70#comment-316 It's a common pitfall in most web development languages, including JavaScript. Even languages that implement 'delete' methods will ultimately set the cookie to expire. Other things to watch for are the number of cookies you set and the size of the data strings. All the browsers have differing limits, but IE generally allows 20 cookies of 4KB each. You won't get any warnings if a cookie isn't set or an old one disappears, so debugging can be a nightmare. Use cookies sparingly is probably the best advice. Incidentally, if you have variables that only retain state on the client side, there is an alternative to session cookies... http://www.optimalworks.net/blog/2008/web-development/javascript/javascript-nocookie-sessions It’s a common pitfall in most web development languages, including JavaScript. Even languages that implement ‘delete’ methods will ultimately set the cookie to expire.

Other things to watch for are the number of cookies you set and the size of the data strings. All the browsers have differing limits, but IE generally allows 20 cookies of 4KB each. You won’t get any warnings if a cookie isn’t set or an old one disappears, so debugging can be a nightmare.

Use cookies sparingly is probably the best advice.

Incidentally, if you have variables that only retain state on the client side, there is an alternative to session cookies…
http://www.optimalworks.net/blog/2008/web-development/javascript/javascript-nocookie-sessions

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