1. input _siswa.php <form name="form1" method="POST" action="simpan_siswa.php"> <table width="400" border="0" align="center" cellpadding="1" cellspacing="1" bordercolor="#00FF00" bgcolor="#33CC00"> <tr bgcolor="#CCFFCC"> <td height="50" colspan="2"><div align="center">INPUT DATA SISWA </div></td> </tr> <tr bgcolor="#FFFFFF"> <td height="40">Nis </td> <td>: <input name="nis" type="text" id="nis"></td> </tr> <tr bgcolor="#FFFFFF"> <td height="40">Nama </td> <td>: <input name="nama" type="text" id="nama"></td> </tr> <tr bgcolo...