This is the ultimate tutorial about Select Options dependent using Codeigniter and JQuery Ajax.
View Page
<div class="form-group row">
<label for="task_type" class="col-sm-4 col-form-label">Task Type *</label>
<div class="col-sm-8">
<select name="task_type" id="task_type" class="form-control">
<option disabled="">----Select Task Type----</option>
<?php foreach ($ref_users as $value) { ?>
<option value="<?php echo $value->id; ?>" <?php if($value->id==$task->task_type) {?> selected <?php } ?> ><?php echo $value->name; ?></option>
<?php } ?>
</select>
</div>
</div>
Model
public function getTasktype($id)
{
return $this->db->select('name,id')
->from('task_type')
->get()->result();
}
Controller
$data['tasklist']=$this->task_model->getTasktype($id);
Table
<?php foreach ($viewtask as $value) {
$service_dtls=$this->db->where('id',$value->task_type)->get('task_type')->row();
$task_name=$service_dtls->name;
?>
second
<td><?php echo $task_name; ?></td>