i have added file input field in new item form for adding image & created a folder naming items_ref_picture in uploads folder to save images.enter image description here
In view
<div class="form-group">
<label for="refpicture" class="control-label">Upload Ref. Picture</label>
<input type="file" id="refpicture" name="refpicture" class="form-control" value="">
</div>In controller
$config['upload_path'] = './uploads/items_ref_picture';
$config['allowed_types'] = 'gif|jpg|png';
$config['max_size'] = 100;
$config['max_width'] = 1024;
$config['max_height'] = 768;
$this->load->library('upload', $config);
if ($this->upload->do_upload('refpicture'))
{
$data = array('refpicture' => $this->upload->data());
}
else{
$data = array('error' => $this->upload->display_errors());
}I don't know what's the error.