validation using codeigniter and jquery-input field validation using codeigniter and jquery
step1:create an assets folder in the root directory means structure will be like this /application /system /user_guide /assets/js/custom.js custom.js
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$(document).ready(function() { $('#myform').submit(function(){ $.post($('#myform').attr('action'), $('#myform').serialize(), function( data ) { if(data.st == 0) { $('#my-error').html(data.msg); } if(data.st == 1) { $('#my-error').html(data.msg); } }, 'json'); return false; }); }); |
step2:create controller inside application/controllers-validate.php
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); class Validate extends CI_Controller{ function index() { $data['include'] = 'jquerypage'; $this->load->view('mypage', $data); } function savedata() { $this->load->library('form_validation'); $this->form_validation->set_rules('name', 'Name', 'required'); $this->form_validation->set_rules('age', 'Age', 'required'); if ($this->form_validation->run() == FALSE) { echo json_encode(array('st'=>0, 'msg' => validation_errors())); } else { $name = $this->input->post('name'); $age = $this->input->post('age'); echo json_encode(array('st'=>0, 'msg' => 'Successfully Submiited')); } } } ?> |
step3:create view files inside view folder application/views-mypage.php,jquerypage.php mypage.php
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<?php $this->load->view($include); ?> jquerypage.php <html> <head> </head> <body> <script type="text/javascript" src="http://code.jquery.com/jquery-latest.min.js"></script> <script type="text/javascript" src="<?=base_url();?>assets/js/custom.js"></script> <?php echo form_open('validate/savedata', array('id'=>'myform')); ?> <div id="my-error"></div> <h5>Name</h5> <input type="text" name="name" value="<?php echo set_value('name'); ?>" size="50" /> <h5>Age</h5> <input type="text" name="age" value="<?php echo set_value('age'); ?>" size="50" /> <div><input type="submit" value="Submit" /></div> </form> </body> </html> |