ajax not showing html data - codeigniter

Question

//view ajax not return data from the controller. View returns [object], [object]
ajax not return data from the controller. View returns [object], [object]ajax not return data from the controller. View returns [object], [object]ajax not return data from the controller. View returns [object], [object]ajax not return data from the controller. View returns [object], [object]ajax not return data from the controller. View returns [object], [object]
<script type="text/javascript">
$(document).ready(function() {
$.ajax({
url: "<?= site_url('products/getallvariance') ?>",
type:"GET",
dataType:"html",
success:function(data){
alert('fahad');
// alert(data);
$('#prTable2').html(data);
}
,error: function(data)
{
alert (data);
}
});
});
</script>
//controller get value from the model but not showing data into view through ajax. ajax not return data from the controller. View returns [object], [object]ajax not return data from the controller. View returns [object], [object]ajax not return data from the controller. View returns [object], [object]ajax not return data from the controller. View returns [object], [object]ajax not return data from the controller. View returns [object], [object]ajax not return data from the controller. View returns [object], [object]
function getallvariance()
{
$variance['allvariance'] = $this->products_model->getvariance();
$output = '<tbody>';
foreach ($variance['allvariance'] as $row)
{
$output .= '<tr><td colspan="10" class=" sorting_1">'.$row->name.'</td></tr>';
}
$output .= '</tbody>';
echo $output;
}
//model is the query is correct? ajax not return data from the controller. View returns [object], [object] ajax not return data from the controller. View returns [object], [object]ajax not return data from the controller. View returns [object], [object]ajax not return data from the controller. View returns [object], [object]
function getvariance()
{
$this->db->select('name, IFNULL( quantity, 0 ) AS quantity');
$q = $this->db->from('products');
if ($q->num_rows() > 0) {
foreach (($q->result()) as $row) {
$data[] = $row;
}
return $data;
}
return FALSE;
}

Answer 1

Your model function always return FALSE because you are not get data and you use two time foreach() loop one in your model and other in your controller that's wrong in your code. It would be
Model
<?php
function getvariance() {
$this->db->select('name, IFNULL( quantity, 0 ) AS quantity');
$this->db->from('products');
$q= $this->db->get();
if ($q->num_rows() > 0) {
return $q->result();
} else {
return FALSE;
}
}
Controller
function getallvariance() {
$this->load->model('products_model');// load your model
$variance = $this->products_model->getvariance();
if($variance){
$output = '<tbody>';
foreach ($variance as $row) {
$output .= '<tr><td colspan="10" class=" sorting_1">' . $row->name . '</td></tr>';
}
$output .= '</tbody>';
}else{
$output="error";
}
echo $output;
}