Updating the following script with this one. 1st script check/uncheck all checkbox in gridview , and the second script give user alert message prior to save if not checkbox is selected. function SelectAllCheckboxes(chk) { $(‘#’).find(“input:checkbox”).each(function() { if (this != chk) { this.checked = chk.checked; } }); } function CheckBeforeSave(chk) { var checkFound = 0 var [...]