<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Untitled Document</title> </head> <body> <?php include("condbm.php"); $id_card = $_REQUEST[id_card]; $sqlid=mysql_query("SELECT * FROM sheeregis Where id_card='".$id_card."'"); if(mysql_num_rows($sqlid)>=1){ echo "false,<br/><span style='color:red'>ID นี้สมัครใช้งานแล้ว </span>"; } else{ echo "false,<span></span>"; } ?> </body> </html>