How to show data Using Ajax in codeigniter?

<a href="javascript:void();" class="btn btn-sm btn-warning auditpara_view_details" id="<?php echo base64_encode($row->id)?>" ><i class="fa fa-eye" aria-hidden="true"></i> View </a>

<script>
$(document).on('click', '.auditpara_view_details', function(){
var audit_id = $(this).attr("id");
//alert(audit_id);
if(audit_id != '')
{
$.ajax({

url:"<?php base_url();?>auditpara/AuditPara/auditview_details",
method:"POST",
data:{audit_id:audit_id},
success:function(data){
$('#audit_detail_model').html(data);
},
error:function(data){
alert('Sorry! Your Data is not Found');
}
});
}
});
</script>

public function auditview_details($audit_id='')
{
$encodedid = $this->input->post('audit_id');
$auditid = base64_decode($encodedid);
$data['audit_details'] = $this->Common->get_audit_details($auditid);

$data['doc_file'] = $this->Common->get_auditpara_docfiles($auditid);

$result = $this->load->view('audit_para/auditmodal_view',$data,true);
echo $result;
exit;
}

public function get_audit_details($auditid)
{
$this->db->select('*');
$this->db->from('audit_para');
$this->db->where('id',$auditid);
$query=$this->db->get();
return $query->result();
}

public function get_auditpara_docfiles($rti_id)
{
$this->db->select('*');
$this->db->from('auditpara_file_upload');
$this->db->where('audit_id_fk',$rti_id);
$query=$this->db->get();
return $result = $query->result();

}

<table class="table table-bordered table-striped table-condensed flip-content">
<thead class="flip-content">
<tr>

<th width="10%">Para No </th>
<th width="15%"> Subject </th>
<th width="15%">Address </th>
<th width="15%">Audit Query</th>

<th class="text-center"> Created By</th>
<th class="text-center"> Doc File</th>
<th class="text-center"> Status</th>
</tr>
</thead>

<tbody>

<?php foreach($audit_details as $row){ ?>
<tr>

<td><?php echo $row->para_number; ?></td>
<td><?php echo $row->subject; ?></td>
<td><?php echo $row->address; ?></td>
<td><?php echo $row->audit_query; ?></td>


<td><?php echo get_username($row->created_by); ?></td>

<td>
<?php $count = 1; foreach($doc_file as $doc){ ?>
<p> <?php echo $count;?>. &nbsp;&nbsp; <a href="<?php echo base_url()?>upload/auditpara/<?php echo $doc->doc_file_upload;?>" target="_blank"><?php echo $doc->doc_file_upload; ?></a></p>
<?php $count++; } ?>

</td>

<td><?php echo $row->status; ?></td>


</tr>
<?php } ?>
</tbody>

</table>