Make a combo box from ajax response - javascript

So, I have a button. When I click on it, It'd retrieve ids by ajax method. While the ids are being generated, I'm using another ajax to get some data using the id's as parameter. it's basically an ajax inside an ajax response.
JS:
$("#btn_add").click(function() {
var val_txt = $('#i_minta').find('option:selected').val().replace(/\s{2,}/g, ' ').trim();
var val = val_txt.split("|");
var val_no = val[0];
var val_tgl = val[1];
var val_kc = val[2];
$.ajax({
type: "POST",
url: "<?php echo site_url('con_atk/get_minta'); ?>",
cache: false,
dataType: "json",
data: {
x: val_no /*this is the parameter to get the ID List*/
},
success: function(response) {
var no = 1;
var col_no, col_brg, col_pnh, col_mnt, col_hrg, col_tot, tableData;
$.each(response, function(index, data) {
var txt_harga = [];
var select_txt = "<select id=combo_harga class='form-control'></select>";
$.ajax({
type: "POST",
url: "<?php echo site_url('con_atk/get_harga'); ?>",
cache: false,
dataType: "json",
data: {
y: data.KodeBarang /* this is the ID to get another data */
},
success: function(outputs) {
$.each(outputs, function(i, value) {
//$('#combo_harga').append($('<option></option>').val(index).html(value.harga));
//txt_harga.push('<option value="'+ value.stok +'">'+ value.harga +'</option>');
txt_harga[i] = "<option value='" + value.stok + "'>" + value.harga + "</option>";
});
$('#combo_harga').append(txt_harga.join(''));
}
});
var rowCount = $("#t_output tbody tr").length;
var in_kode = "<input type='hidden' id='i_kb' name='detail[" + rowCount + "][in_kb]' value='" + data.KodeBarang + "' />";
var in_pmnh = "<input type='text' id='i_pnh' name='detail[" + rowCount + "][in_pnh]' onCopy='return false' onDrag='return false' onDrop='return false' onPaste='return false' autocomplete='off' onkeypress='return isNumber(event)' />";
col_no = "<tr><td style='text-align:right; vertical-align:middle'>" + no++ + "</td>";
col_brg = "<td style='text-align:left; vertical-align:middle'>" + data.KodeBarang + " " + in_kode + "<br />" + data.NamaBarang + "</td>";
col_pnh = "<td class='mid'>" + in_pmnh + "</td>";
col_mnt = "<td class='mid'><input type='text' id='o_pmnt' value='" + data.jumlah_minta + "' style='font-weight:bold; width:70%; text-align:right; background-color:#DE5862 !important' readonly /></td>";
col_hrg = "<td style='text-align:right; vertical-align:middle'>" + select_txt + "</td>";
col_tot = "<td style='text-align:right; vertical-align:middle'>xxx</td></tr>";
tableData += col_no + col_brg + col_pnh + col_mnt + col_hrg + col_tot;
$('#t_output tbody tr').remove();
$('#t_output tbody').append(tableData);
});
}
});
});
The end result is a table with each row has a combobox with the value of each id. Like this:
no id somecolumn somecolumn harga somecolumn
1 A xxx xxx value_of_A_1 xxx
2 B xxx xxx value_of_B_1,value_of_B_2 xxx
3 C xxx xxx value_of_C_1,value_of_C_2,value_of_C_3 xxx
the combobox should be inside the harga column.
Thank you for your help :)

Hope It will success you.(it's my old code. don't worry about code format)
var as = $(this).val();
var val = as;
as = as.replace(/\s/g, '');
if (this.checked) {
var a = "_" + as;
var viewName = { viewName: a }
var billingFieldId = '#A' + as + '_BillingCycleId';
var vatFieldid = '#A' + as + '_VatcalculationProcessId';
var serviceType = '#A' + as + '_ServiceType';
$.ajax({
url: '#Url.Action("GetPartialView", "Customers")',
contentType: "application/json;charset=utf-8",
data: JSON.stringify(viewName),
type: 'POST',
dataType: 'html'
}).success(function (result) {
$('#' + as).html(result);
if (billningCycle != null && vatCalculation != null) {
$.ajax({
url: '#Url.Action("GetCommonValue", "Customers")',
contentType: "application/json;charset=utf-8",
data: JSON.stringify(viewName),
type: 'POST',
dataType: 'json',
success: function (data) {
$.each(data.BillingCycles, function (index, value) {
$(billingFieldId).append($('<option />', {
value: value.Id,
text: value.Name
}));
});
$.each(data.Vats, function (index, value) {
$(vatFieldid).append($('<option />', {
value: value.Id,
text: value.Name
}));
});

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javascript foreach select loop with selected value

I've written the following code that generates a select list. However, the part where it's supposed to check if this.id equals the same as the existing_code and put the selected value in doesnt seem to work.
any ideas what is wrong?
function showHide(layer, existing_code) {
jQuery.ajax({ url: 'getdata.php', dataType: 'json', cache: 'false', success: function(data) {
var codes = codes;
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jQuery.each(codes, function() {
selectcode += '<option value="' + this.id + '"';
if (this.id == existing_code) {
selectcode += ' selected';
}
selectcode += '>' + this.code + '</option>';
});
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jQuery('.'+layer).html(selectcode);
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This is probably what you want:
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var selectcode = '';
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selectcode += '<option value="' + code.id + '"';
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debugger
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In your code I can see where you're creating individual textboxes with unique ids coming from intTextBox, so to get at the text in the textboxes just use the value:
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Try this
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i.item.val should be i.item.value
I see you are adding "strText" in id attribute and trying to set the value using
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good luck...

Why are functions executed in this order?

Code:
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Ajax cannot get success or error

I'm trying to show search results via AJAX to the view. The action gets JSON and sends it, but the AJAX seems to not be receiving the data.
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Edit: the success was not a mistype and has been corrected.
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