29.1

<table border="1" align="center" cellpadding="5" cellspacing="2">
  <thead>
   <th>#</th>
   <th>NIS</th>
   <th>Nama Lengkap</th>
   <th>Jenis Kelamin</th>
   <th>Kelas</th>
   <th>Jurusan</th>
   <th>Alamat</th>
   <th>Golongan Darah</th>
   <th>Nama Ibu Kandung</th>
   <th>Aksi</th>
  </thead>

  <tbody>
   <?php
   $i = 1;
   while ($siswa = $listSiswa->fetch_array()) {
    ?>
<tr>
     <td><?= $i++ ?></td>
     <td><?= $siswa['nis'] ?></td>
     <td><?= $siswa['nama_lengkap'] ?></td>
     <td><?= $siswa['jenis_kelamin'] ?></td>
     <td><?= $siswa['kelas'] ?></td>
     <td><?= $siswa['jurusan'] ?></td>
     <td><?= $siswa['alamat'] ?></td>
     <td><?= $siswa['golongan_darah'] ?></td>
     <td><?= $siswa['nama_ibu'] ?></td>
     <td><a href="edit.php?nis=<?= $siswa['nis'] ?>">Edit</a></td>
    </tr>
<?php } ?>
  </tbody>
<tr>
      <td colspan="10" align="center"><a href="tambah.php">Tambah Data</a>
      </td>
     </tr>
</table>