how to create form in codeigniter

how to create form in codeigniter 

1) If you want to create  a simple form use codeigniter there are some procedure use 

Create a file in view (form.php) and  write these code here

 <h2>Simple form in codeigniter</h2>

          <?php echo validation_errors(); ?>  

         <?php echo form_open('Welcome/add'); ?>  

  <table class="table">

  <tr>

  <td><input type="text" name="name"></td>

  <td><input type="tex" name="lastname"></td>

  <br>

  </tr>

  <tr>

  <td><button type="submit" name="add" class="btn btn-danger">Add</button></td>

  </tr>

  </table>

  </form>

2)create a  controller file in controlller folder(form_controller.php)

here load library and hellper

you can also load library in autoload 

open config folder  and open autoload file 

and see this

i)$autoload['libraries'] = array();

ii)$autoload['helper'] = array();

write code 

i)$autoload['libraries'] = array();

ii)$autoload['helper'] = array('form');

you can also autoload multiple helper 

$autoload['helper'] = array('form','url','',------,'');

form_controller.php

<?php

defined('BASEPATH') OR exit('No direct script access allowed');

class Welcome extends CI_Controller {

/**

* Index Page for this controller.

*

* Maps to the following URL

* http://example.com/index.php/welcome

* - or -

* http://example.com/index.php/welcome/index

* - or -

* Since this controller is set as the default controller in

* config/routes.php, it's displayed at http://example.com/

*

* So any other public methods not prefixed with an underscore will

* map to /index.php/welcome/<method_name>

* @see https://codeigniter.com/user_guide/general/urls.html

*/

public function index()

{

$this->load->view('index');

}

public function  add(){

 

         /* Load form validation library */ 

         $this->load->library('form_validation');

$fname = $this->input->POST('name');

$lastname = $this->input->POST('lastname');

  

         $this->form_validation->set_rules('name', 'name', 'required');

          $this->form_validation->set_rules('lastname', 'lastname', 'required'); 

         if ($this->form_validation->run() == FALSE) { 

   $this->load->view('index');

         } 

         else { 

            $this->load->view('sucess'); 

         } 

}

}