country state city Dynamic dependent dropdown using jquery in codeigniter
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In this post we will show you Best way to implement Dynamic Dependent Select Box using jQuery, Ajax and PHP, hear for country state city drop down list using ajax in codeigniter with Download .we will give you demo,Source Code and examples for implement Step By Step Good Luck!.
Codeigniter – Dynamic dependent dropdown using jquery ajax Example
In this Example,First of all Add or Inluce External Libs Like as a(jQuery, css etc..), and then create a simple index.php or index.html page.After that crate a simple javascript file like as a index.js or main.js, It is also add your web-application First Header Part to some priorty set.After that Include your relavant CSS Class.
Phase 1: Download Fresh Codeigniter 3
In First step or init step we will simple step by step download fresh version of PHP based Like as a Codeigniter 3, so if We haven’t download yet simple here then download from here latest version free download: Download Codeigniter 3
Phase 2: Create Database and Configuration
CREATE TABLE `state_rec` ( `id` int(11) NOT NULL, `name` varchar(155) NOT NULL, `cr_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `up_at` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00' ) ENGINE=InnoDB DEFAULT CHARSET=latin1;
live_cities table:
CREATE TABLE `live_cities` ( `id` int(11) NOT NULL, `cur_stid` int(12) NOT NULL, `name` varchar(155) NOT NULL, `cr_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `up_at` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00' ) ENGINE=InnoDB DEFAULT CHARSET=latin1;
config using Codeigniter
application/config/database.php
<?php
defined('BASEPATH') OR exit('No direct script access allowed');
$active_group = 'default';
$query_builder = TRUE;
$db['default'] = array(
'dsn' => '',
'hostname' => 'localhost',
'username' => 'YOUR_USERNAME',
'password' => 'YOUR_PASSWORD',
'database' => 'DATABASE_NAME',
'dbdriver' => 'mysqli',
'dbprefix' => '',
'pconnect' => FALSE,
'db_debug' => (ENVIRONMENT !== 'production'),
'cache_on' => FALSE,
'cachedir' => '',
'char_set' => 'utf8',
'dbcollat' => 'utf8_general_ci',
'swap_pre' => '',
'encrypt' => FALSE,
'compress' => FALSE,
'stricton' => FALSE,
'failover' => array(),
'save_queries' => TRUE
);
Phase 3: Add Route
application/config/routes.php
<?php
defined('BASEPATH') OR exit('No direct script access allowed');
$route['default_controller'] = 'welcome';
$route['404_override'] = '';
$route['translate_uri_dashes'] = FALSE;
$route['liveform'] = 'liveController';
$route['liveform/ajax/(:any)'] = 'liveController/liveformAjax/$1';
Phase 4: Create Controller
application/controllers/liveController.php
<?php
class liveController extends CI_Controller {
/**Devloped by Pakainfo.com free download examples
*/
public function __construct() {
parent::__construct();
$this->load->database();
}
/**Devloped by Pakainfo.com free download examples
*/
public function index() {
$states = $this->db->get("state_rec")->result();
$this->load->view('liveform', array('states' => $states ));
}
/**Devloped by Pakainfo.com free download examples
*/
public function liveformAjax($id) {
$result = $this->db->where("cur_stid",$id)->get("live_cities")->result();
echo json_encode($result);
}
}
?>
Phase 5: Create View Files
application/views/liveform.phpIn this Last step, You will create a simple on server liveform.php view after that here you will make HTML form with simple input box two dropdown like as a select box. you also bellow source code ajax code here:
<!DOCTYPE html>
<html>
<head>
<title>Pakainfo.com - Codeigniter Dependent Dropdown step by step Example with demo</title>
<script src="plugin/jquery.js"></script>
<link rel="stylesheet" href="bootstrap-3.min.css">
</head>
<body>
<!-- Devloped by Pakainfo.com free download examples -->
<div class="container">
<div class="panel panel-primary">
<div class="panel-heading">Select simple State and get bellow Related City</div>
<div class="panel-body">
<!-- Devloped by Pakainfo.com free download examples -->
<div class="form-group">
<label for="title">Please Select State:</label>
<select name="state" class="form-control" style="width:350px">
<option value="">--- Select State ---</option>
<?php
foreach ($states as $key => $value) {
echo "<option value='".$value->id."'>".$value->name."</option>";
}
?>
</select>
</div>
<!-- Devloped by Pakainfo.com free download examples -->
<div class="form-group">
<label for="title">Select Your City:</label>
<select name="live_city" class="form-control" style="width:350px">
</select>
</div>
<!-- Devloped by Pakainfo.com free download examples -->
</div>
</div>
</div>
<script type="text/javascript">
$(document).ready(function() {
$('select[name="state"]').on('change', function() {
var stateID = $(this).val();
if(stateID) {
$.ajax({
url: '/liveform/ajax/'+stateID,
type: "GET",
dataType: "json",
success:function(data) {
$('select[name="live_city"]').empty();
$.each(data, function(key, value) {
$('select[name="live_city"]').append('<option value="'+ value.id +'">'+ value.name +'</option>');
});
}
});
}else{
$('select[name="live_city"]').empty();
}
});
});
</script>
<!-- Devloped by Pakainfo.com free download examples -->
</body>
</html>
cmd commands quick run
php -S localhost:8000
Codeigniter rnu in browser
http://localhost:8000/liveform
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