Cascading values in edit popup in jqgrid using database

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Iam Using JqGrid to show the values

While editing the detials , I need to show cascading values in selectbox in popup.

I tried by using edit options URL and build select, but Iam not able to know how to set cascading based on previous values.

I need to do it using database, not local data.

On change its working fine, I need the same initially displaying the popup

What I have tried:

editoptions: {
dataUrl: $("#ZoneMaster_GetDistricts").val(),
dataInit: function (elem) {
$(elem).width(165);
},
buildSelect: function (data) {
var response = jQuery.parseJSON(data);
var s = '<select>';
for (var i = 0; i < response.length; i++) {
s += '<option value="' + response[i]["DistrictId"] + '">' + response[i]["DistrictName"] + '</option>';
}
return s + "</select>";

},

Posted 13-Jul-16 0:29am

nandakishoreroyal

Updated 25-Oct-16 23:46pm

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Ajay-Systematix · Answer 1 · 2016-10-25T23:46:00

jQuery(function($) {
var locations = {
'Germany': ['Duesseldorf', 'Leinfelden-Echterdingen', 'Eschborn'],
'Spain': ['Barcelona'],
'Hungary': ['Pecs'],
'USA': ['Downers Grove'],
'Mexico': ['Puebla'],
'South Africa': ['Midrand'],
'China': ['Beijing'],
'Russia': ['St. Petersburg'],
}

var $locations = $('#location');
$('#country').change(function () {
var country = $(this).val(), lcns = locations[country] || [];

var html = $.map(lcns, function(lcn){
return '<option value="' + lcn + '">' + lcn + '</option>'
}).join('');
$locations.html(html)
});
});

See this demo link:
SO - 18351921 - JSFiddle[^]