I am using the ajaxcontroltoolkit ModalPopupExtender with GridView to add/edit record. User adds a new record or update an existing one in the popup modal. I am following the example at http://mattberseth.com/blog/2008/04/masterdetail_with_the_gridview.html. Everything is working fine except for one issue. If I click the browser refresh button after saving/updating the record, the modal dialog opens up again. Also the page returns to its previous state where it was before adding/updating the record. Can someone help me on this one?
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