ช่วยดู code INSERT INTO 2 ตารางให้ทีครับมัน error INSERT INTO room ...

<?
$objConnect = mysql_connect("localhost","root","1234") or die("Error Connect to Database");
$objDB = mysql_select_db("testrelation");

$strSQL = "INSERT INTO room (roomID, room_detail) VALUES('$_POST[txtroomID]','$_POST[txtroom_detail]') ";

$strSQL2 = "INSERT INTO member(nationalID, name) VALUES('$_POST[txtnationalID]','$_POST[txtname]')";


$objQuery = mysql_query($strSQL);
if($objQuery)
{
echo "Save Done.";
echo "<p> Add Table. Click <a href='monthly_room_prize_add_index.php'> here</a> to view.";
}
else
{
echo "Error Save [".$strSQL."]";
}

$objQuery2 = mysql_query($strSQL2);
if($objQuery2)
{
echo "Save Done.";
echo "<p> Add Table. Click <a href='monthly_room_prize_add_index.php'> here</a> to view.";
}
else
{
echo "Error Save [".$strSQL2."]";
}

mysql_close($objConnect);
?>

$strSQL = "INSERT INTO room (roomID, room_detail,) VALUES $_POST['txtroomID'],$_POST['txtroom_detail'])";


$strSQL2 = "INSERT INTO member (nationalID, name,) VALUES $_POST['txtnationalID'],$_POST['txtname'])";