<!-- Input -->
<div class="row clearfix">
    <div class="col-lg-12 col-md-12 col-sm-12 col-xs-12">
        <div class="card">
            <div class="header">
                <h2>
                    TAMBAH DATA MAHASISWA
                </h2>
            </div>
            <div class="body">
                <form method="POST">
                    <label for="">ID</label>
                    <div class="form-group">
                        <div class="form-line">
                            <input type="text" class="form-control" name="id" />
                        </div>
                    </div>

                    <label for="">Nama</label>
                    <div class="form-group">
                        <div class="form-line">
                            <input type="text" class="form-control" name="nama" required="" pattern="[A-Za-z ]+" />
                        </div>
                    </div>

                    <label for="">Username</label>
                    <div class="form-group">
                        <div class="form-line">
                            <input type="text" class="form-control" name="username" required="" />
                        </div>
                    </div>

                    <label for="">Password</label>
                    <div class="form-group">
                        <div class="form-line">
                            <input type="password" class="form-control" name="password" required="" pattern="[a-zA-Z0-9]+" />
                        </div>
                    </div>

                    <label for="">Email</label>
                    <div class="form-group">
                        <div class="form-line">
                            <input type="text" class="form-control" name="email" required="" />
                        </div>
                    </div>

                    <input type="submit" name="simpan" value="Simpan" class="btn btn-primary">
                </form>
            </div>
        </div>
    </div>
</div>

<?php

if (isset($_POST['simpan'])) {
    $id = $_POST['id'];
    $nama = $_POST['nama'];
    $username = $_POST['username'];
    $password = $_POST['password'];
    $email = $_POST['email'];

    $sql = $koneksi->query("INSERT INTO tbl_data VALUES ('$id','$nama','$username','$password','$email')");

    if ($sql){
        ?>

            <script type="text/javascript">
                alert("Data Berhasil Ditambahkan");
                window.location.href="?page=data";
            </script>

        <?php

    }
}

 ?>