       allowClear: true
        });
        $("#cboTinhThanh").change(function () {

            var cityId = $("#cboTinhThanh").select2('data').id;
            var cityName = $("#cboTinhThanh").select2('data').text;

            var aData = [];
            aData[0] = cityId;
            aData[1] = cityName;

            var jsonData = JSON.stringify({ aData: aData });
            $.ajax({
                    type: "POST",
                    url: "../Ajax.aspx/ChooseCinemaByCity",
          