In my previous article I have explained about How to Add httpcookie using C#.net. In this article I am going to explain about how to delete the browser cookies using C#.Net code.
You cannot directly delete a cookie on a user’s computer. However, you can direct the user’s browser to delete the cookie by setting the cookie’s expiration date to a past date.
To assign a past expiration date on a cookie
1. Determine whether the cookie exists, and if so, create a new cookie with the same name.
2. Set the cookie’s expiration date to a time in the past.
3. Add the cookie to the Cookies collection object.
Below is the method used to delete the cookie.
protected void DeleteCookie(string cookiename)
if(Request.Cookies[cookiename] != null)
HttpCookiemyCookie = new HttpCookie(cookiename);
myCookie.Expires = DateTime.Now.AddDays(-1d);
Sample usage of the method is given below.
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