Warning: mysql_connect() [function.mysql-connect]: Access denied for user 'root'@'localhost' (using password: NO) in C:\xampp\htdocs\angiang\quantriweb\classDB.php on line 12

Warning: mysql_select_db(): supplied argument is not a valid MySQL-Link resource in C:\xampp\htdocs\angiang\quantriweb\classDB.php on line 13

Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL result resource in C:\xampp\htdocs\angiang\tintuc.php on line 9

Warning: mysql_pconnect() [function.mysql-pconnect]: Access denied for user 'root'@'localhost' (using password: NO) in C:\xampp\htdocs\angiang\Connections\connect.php on line 9

Fatal error: No database selected in C:\xampp\htdocs\angiang\Connections\connect.php on line 9