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<?php $conn=mysql_connect('localhost','pattamun_pattamu','NjE6kO[aQgwu') or die ("MySQL DB could not be connected"); mysql_select_db('pattamun_pattamundai',$conn)or die ("MySQL DB could not be selected"); $deptid=$_REQUEST['did']; $deptsql = mysql_query("select * from tbs_subdepartment where department_id=$deptid"); $distdopdwn = "<option value=''>Select Subdepartment</option>"; while ($sdept = mysql_fetch_assoc($deptsql)) { $distdopdwn.="<option value='{$sdept['id']}'>{$sdept['subdept_name']}</option>"; } echo $distdopdwn; exit; ?>