Попробуйте:
{ name: 'AWBDate', index: 'AWBDate', width: 90, align: 'left', editable: false, formatter: 'date',search: true,
formatoptions: {
srcformat: 'd/m/Y H:i:s',
newformat: 'd/m/Y'
},
sorttype:"date",
searchoptions: {
sopt: ['eq'],
dataInit: function (elem) {
$(elem).datepicker({
dateFormat: 'dd/mm/yy',
changeYear: true,
changeMonth: true,
showWeek: true,
onSelect: function (dateText, inst) {
setTimeout(function () {
$('#jQGridapproval')[0].triggerToolbar();
}, 100);
}
});
}
}
},