delete persistent cookie
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hi, i have create persistent cookie, this cookie contains details of booking cart (of say details of different rooms of hotel which get booked) i want to finalize that booking so i click on 'Finalize' button, by clicking on this it shows another screen which get details of booking and clicking on 'Save' button it saves the details using same cookie.... now the problem is that, after finalizing the booking on finalization screen the cookie should get blank and the gridview which shows the hotel details should not display that details of that hotel in gridview.... but at this condition in my website,after finalizing the booking when i click on back button,cookie should not get blank and gridview also shows the record :( so how can i remove that cookie and make the gridview blank.. plz help me