<form id="formMatricula" > <table> <tr> <td>Ciclo: </td> <td> <select size="1" name="ciclo" id="ciclo" onchange="cargaformTabla()"> <option value="1">I</option> <option value="2">II</option> <option value="3">III</option> <option value="4">IV</option> <option value="5">V</option> <option value="6">VI</option> <option value="7">VII</option> <option value="8">VIII</option> <option value="9">IX</option> <option value="10">X</option> </select> </td> <td><input type="button" onclick='return enviarform("1")' value="Listar" /></td> </tr></form> <?php include "includes/class/curso.php"; $curso = new curso(); $ciclo = $_GET["ciclo"]; if (isset($ciclo)) { $lista = $curso->Listarxcurso($ciclo); } ?> </table>