Script PHP Edit and Delete Database

Berikut ini merupakan script untuk membuat daftar data penyakit dengan menggunakan database..
Semoga bermanfaat :)

>>>Script Form Isi<<<

<?php
echo "<h2><p align='center'>Tambah Data Penyakit</h2></p>";
echo "<form method='post' action='simpan_data.php'>";
echo "<table>


<tr>
<td width=150>Kode Penyakit </td>
<td><input type='text' name='kode' size=4></td>
</tr>
<tr>
<td>Nama Penyakit</td>
<td><input type='text' name='nama' size=40></td>
</tr>
<tr>
<td valign='middle'>Definisi Penyakit </td>
<td><textarea name='definisi' cols=40 rows=6></textarea></td>
</tr>
<tr>
<td colspan=2 align='center'><input type='submit' value='OK'></td>
</tr>";
echo "</table></form>"; ?>


>>>Script Daftar Data<<<

<?php
echo "<h1 align='center'>Daftar Data Penyakit</h1>";
?>
<table border="1" width="550" align="center">
<tr>
<td height=20 align="center" width=50><b>Kode</b></td>
<td align="center" width=200><b>Nama Penyakit</b></td>
<td align='center' width=300><b>Definisi</b></td>
</tr>

<?php
include "koneksi.php";
$qdata = mysql_query("select
kode,nama,definisi from penyakit");
while($rdata = mysql_fetch_array($qdata))
{
$kode = $rdata["kode"];
$nama = $rdata["nama"];
$definisi = $rdata["definisi"];
echo "<tr> <td align='center'>$kode</td>
<td>$nama</td>
<td>$definisi</td></tr>";}
?>
</table>

>>>Sript Edit Data<<<

<?php
include "koneksi.php";
?>

<table border="1" width="550" align="center">
<tr>
<td height=20 align="center" width=50><b>Kode</b></td>
<td align="center" width=170><b>Nama Penyakit</b></td>
<td align='center' width=250><b>Definisi</b></td>
<td align='center' width=80><b>Fungsi</b></td>
</tr>

<?php
 if(isset($_POST['kirim_edit']))
{
$kode = $_POST['kode'];
$nama = $_POST['nama_penyakit'];
$definisi= $_POST['definisi'];
$query3 = "update penyakit set
kode='$kode',
nama='$nama',
definisi='$definisi'
where kode='$kode'";
mysql_query($query3);
}
$i=0;
$qdata = mysql_query("select kode,nama,definisi from penyakit order by kode");
while($rdata = mysql_fetch_array($qdata))
{
$pkode = $rdata["kode"];
$pnama = $rdata["nama"];
$pdefinisi = $rdata["definisi"];
echo "
<tr>
<td align='center'>$pkode</td>
<td>$pnama</td>
<td>$pdefinisi</td>
<td align='center'>
<a href='edit_penyakit.php?kode=$pkode&edit=1'>Edit</a></td>
</tr>";
$i++;
} ?>
</table>

<?php
 if(isset($_GET['edit']))
{
$kode = $_GET['kode'];
$qdata2 = mysql_query("select kode, nama, definisi from penyakit where kode='$kode'");
while($rdata2 = mysql_fetch_array($qdata2))
{
$kode2 = $rdata2["kode"];
$nama2 = $rdata2["nama"];
$definisi2 = $rdata2["definisi"];
}
echo "<p align='center'>Ubah Data Penyakit <br><br>";
echo "<form method='post' action='edit_penyakit.php'>
<input type='hidden' name='kode' value='$kode2'>
<input type='hidden' name='kirim_edit' value=1>";
echo "<table border=0 width=500 align='center'>";
echo "<tr>
<td width=150>Kode Penyakit </td>
<td><input type='text' name='kode_penyakit' size=4 value='$kode2'></td>
</tr>
<tr>
<td>Nama Penyakit</td>
<td><input type='text' name='nama_penyakit' size=40 value='$nama2'></td>
</tr>
<tr>
<td valign='middle'>Definisi Penyakit</td>
<td><textarea name='definisi' cols=40 rows=6>$definisi2</textarea></td>
</tr>
<tr>
<td colspan=2 align='center'><input type='submit' value='EDIT'></td>
</tr>";
echo "</table></form></p>";
}
?>

>>>Script Hapus Data<<<

<?php
 include "koneksi.php";
?>
<table border="1" width="550" align="center">
<tr>
<td height=20 align="center" width=50><b>Kode</b></td>
<td align="center" width=170><b>NamaPenyakit</b></td>
<td align='center' width=250><b>Definisi</b></td>
<td align='center' width=80><b>Fungsi</b></td>
</tr>

<?php
$hapus = 0;
if(!empty($_GET['hapus'])){
$hapus = $_GET['hapus'];
$kode = $_GET['kode'];
}
if($hapus==1)
{
$query2 = "delete from penyakit where kode='$kode'";
mysql_query($query2);
}
$qdata = mysql_query("select kode,nama,definisi from penyakit order by kode");
$i =0;
while($rdata = mysql_fetch_array($qdata))
{
$pkode = $rdata["kode"];
$pnama = $rdata["nama"];
$pdefinisi = $rdata["definisi"];
echo "<tr>
<td align='center'>$pkode</td>
<td>$pnama</td>
<td>$pdefinisi</td>
<td align='center'>
<a href='hapus_penyakit.php?kode=$pkode &hapus=1'>Hapus</a></td> </tr>";
$i++;
}
?>
</table>

>>>Script Simpan Data<<<

<?php
include "koneksi.php";
$kode = $_POST['kode'];
$nama = $_POST['nama'];
$definisi= $_POST['definisi'];

$query = "insert into penyakit (`kode`,`nama`,`definisi`)
values ('$kode','$nama','$definisi')";
$hasil = mysql_query($query) or die(mysql_error());
if($hasil)
{
echo "<h2 align='center'>Pengiriman Data Sukses !</h2>";
} else {
echo "<h2 align='center'>Pengiriman Data Gagal !
<input type=button value=BACK
OnClick=self.history.back();></h2>";
}
?>

>>>Script Koneksi Database<<<

<?php
mysql_connect("localhost","root","");
mysql_select_db("fadmala11018014");
?>