if (isset($_REQUEST["psemmat"])) {
            $semmat = $_REQUEST["psemmat"];
        }
        if (isset($_REQUEST["pcosmat"])) {
            $cosmat = $_REQUEST["pcosmat"];
        }
        if (isset($_REQUEST["id"])) {
            $id = $_REQUEST["id"];
        }
        $materiaBLL->update($codmat, $nommat, $semmat, $cosmat, $id);
        break;
    case "eliminar":
        if (isset($_REQUEST["id"])) {
            $id = $_REQUEST["id"];
        }
        $materiaBLL->delete($id);
        break;
}
?>
<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
    </head>
    <body>
        <h2>ABM Materias</h2>
        <a href="InsertarMateria.php">Crear Materias</a>
        <table>
            <thead>
                <tr>
<head>
	<meta charset="UTF-8">
	<title>Practico Uno</title>
	<link rel="stylesheet" href="css/bootstrap.min.css">
	<script type='text/javascript' src='js/bootstrap.min.js'></script>
	<link rel="stylesheet" href="css/style.css">

</head>
<body>
	<?php 
include_once "./BLL/MateriaBLL.php";
$materiaBLL = new MateriaBLL();
/*Ejecucion*/
if (isset($_REQUEST["task"])) {
    if ($_REQUEST["task"] == "eliminar") {
        $materiaBLL->delete($_REQUEST["id"]);
    } else {
        $id = $_REQUEST["idMateria"];
        $codigo = $_REQUEST["txtCodigo"];
        $nombre = $_REQUEST["txtNombre"];
        $semestre = $_REQUEST["txtSemestre"];
        $costo = $_REQUEST["dbCosto"];
        $materiaBLL->update($id, $codigo, $nombre, $semestre, $costo);
    }
} else {
    if (isset($_REQUEST["txtCodigo"])) {
        $codigo = $_REQUEST["txtCodigo"];
        $nombre = $_REQUEST["txtNombre"];
        $semestre = $_REQUEST["txtSemestre"];
        $costo = $_REQUEST["dbCosto"];
        $materiaBLL->insert($codigo, $nombre, $semestre, $costo);