$(document).on('change', '#typeship', function(e){
var courier = $('#courier').val();
var cityfrom = $('#cityfrom').val();
var cityto = $('#cityto').val();
var weight = $('#tot_weight').val();
var shiptype = $(this).val();
alert (shiptype); // didn't response -> no alert pop up
$.ajax({
type: "POST",
url: "<?php echo base_url();?>backend/Ctransaction/showShipCost",
data: {Courier:courier, Cityfrom:cityfrom, Cityto:cityto, Weight:weight, Shiptype:shiptype},
datatype:"html",
success: function(data){
$('#detailcost').html(data);
}
});
});