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sandip.nic · 12-22-2021, 12:28 AM

I am beginners in CodeIgniter. When I am trying to run an application. Its show the error "Call to a member function on null error" My code as given below:
Controller : Hello.php
<?php
class Hello extends CI_Controller
{
public function _construct()
{
parent::_construct();

$this->load->database();

$this->load->model('Hello_model');
}

public function savedata()
{
$this->load->view('registration');

if($this->input->post('save'))
{

$nm=$this->input->post('name');
$mob=$this->input->post('mobile');
$msg=$this->input->post('message');

$this->Hello_model->saverecords($nm,$mob,$msg);

echo "Record Saved";
}
}
}
?>

View: registration.php
<!DOCTYPE html>
<html>
<head>
<title>Registration form</title>
</head>

<body>
<form method="post">
<table width="600" border="1" cellspacing="5" cellpadding="5">
<tr>
<td width="230">Enter Your Name </td>
<td width="329"><input type="text" name="name"/></td>
</tr>
<tr>
<td>Enter Your Mobile Number </td>
<td><input type="text" name="mobile"/></td>
</tr>
<tr>
<td>Enter the Message </td>
<td><input type="text" name="message"/></td>
</tr>
<tr>
<td colspan="2" align="center"><input type="submit" name="save" value="Save Data"/></td>
</tr>
</table>

</form>
</body>
</html>

Model: Hello_Model.php
<?php
class Hello_model extends CI_Model
{

function saverecords($name,$mobile,$message)
{
$query="insert into 18sms values('','$name','$mobile','$message')";
$this->db->query($query);

}

}
?>

I am using CodeIgniter 3.1.10 and Laragon lite 4.0.111
Please help.