UBAH DATA SISWA UPDATE (pemrograman web)
Awalnya : Nah terus masuk ke form ubahnya Nih sytaknya : <?php $nis = $_GET [ 'nis' ]; include "config.php" ; $perintah = "select * from tb_siswa where nis=' $nis '" ; $query = mysqli_query ( $koneksi , $perintah ); $data = mysqli_fetch_array ( $query ); ? > < center > < form method = "post" action = "proses_ubah_siswa.php" > < table border = "1" cellpadding = "8" cellspacing = "0" > < tr > < th colspan = "2" > FORM UBAH SISWA </ th > </ tr > < tr > < td > NIS </ td > < td >< input type = "text" name = "nis" value = " <?= $data [ 'nis' ]; ? > " ></ td > </ tr > < tr > < td > Nama </ td > < td >< input type = "te...