Cita:
Iniciado por andresdzphp 
Muestra el código que estás usando si no es mucha molestia
$colname_alumnos = "-1";
if (isset($_GET['rfcalumno'])) {
$colname_alumnos = $_GET['rfcalumno'];
}
mysql_select_db($database_connection, $connection);
$query_alumnos = sprintf("SELECT * FROM alumnos WHERE rfcalumno = %s", GetSQLValueString($colname_alumnos, "text"));
$alumnos = mysql_query($query_alumnos, $connection) or die(mysql_error());
$row_alumnos = mysql_fetch_assoc($alumnos);
$totalRows_alumnos = mysql_num_rows($alumnos);
mysql_select_db($database_connection, $connection);
$query_grados = sprintf("SELECT * FROM grados1 WHERE clavelicenciatura=%s", $row_alumnos['lic']); ///AQUI ES
$grados= mysql_query($query_grados, $connection) or die(mysql_error());
$row_grados = mysql_fetch_assoc($grados);
$totalRows_grados = mysql_num_rows($grados);
mysql_select_db($database_connection, $connection);