failed to upload image file and save data

[eluser]cestaz18[/eluser]
CONTINUATION OF CONTROLLER

Code:

else if ($data['action']=='delete') {
                $dt['module_id'] = $this->input->post("item");
                $data['deleted_row'] = $this->Reports->delete($dt);

                //audit trail
                $log['tran_id'] = $dt['module_id'];
                $log['tran_no'] = $dt['module_id'];
                $log['module_name'] = $this->input->post("module");
                $log['event_name'] = lang('deleted');
                $this->Dataset_db->saveLog($log);

                $c .= lang('deleted_item').$data['deleted_row'];

                $data['response'] = $c;
                $json['json'] = $data;
            }
            $this->load->view('template/ajax',$json);
        }
    }
?>