$query = mysqli_query ("select * from tb_cform where u_pass='$pass' AND u_username='$username' ",$connection);

$query = mysqli_query ("select * from tb_cform where u_pass='$pass' AND u_username='$username' ",$connection);

$query = mysqli_query ($connection, "SELECT * FROM `tb_cform` WHERE `u_pass` = '$pass' AND `u_username` = '$username' ");