my code wont update after search - php

Question

can anyone help me find the code thats causing my code not to work? my code wont update... ive been debuging this code for 3hours already stil cant fix it :(...i need your help guys.
php code:
<?php
if(isset($_GET['gogo'])){
include('include/connect.php');
$batchcode = $_GET['code'];
$sql = mysql_query("SELECT * FROM score WHERE batchcode = '".$batchcode."' ");
if($sql) {
while($rows = mysql_fetch_array($sql)){
$id[] = $rows['id'];
$name[] = $rows['name'];
$score1[] = $rows['score1'];
$score2[] = $rows['score2'];
$other_qual[] = $rows['score3'];
$interview[] = $rows['score4'];
$total[] = $rows['total'];
}
}
}
?>
<?php
if(isset($_POST['update'])){
include('include/connect.php');
//1
$u1id = $_POST['id1'];
$u1name = $_POST['name1'];
$u1score1 = $_POST['optA1'];
$u1score2 = $_POST['optB1'];
$u1other_qual = $_POST['other_qual1'];
$u1interview = $_POST['interview1'];
$u1total = $_POST['total1'];
//2
$u2id = $_POST['id2'];
$u2name = $_POST['name2'];
$u2score1 = $_POST['optA2'];
$u2score2 = $_POST['optB2'];
$u2other_qual = $_POST['other_qual2'];
$u2interview = $_POST['interview2'];
$u2total = $_POST['total2'];
//1
mysql_query("UPDATE score SET score1='$u1score1', score2='$u1score2', total='$u1total' WHERE id='$u1id'");
//2
mysql_query("UPDATE score SET score1='$u2score1', score2='$u2score2', total='$u2total' WHERE id='$u2id'");
header("Location: index.php");
}
?>
html code:
<form method="get">
<form method="post">
Search batchcode: <input type="text" name="code" id="query" /><input type="submit" value="Go" name="gogo" /><br />
<table>
<tr>
<td>
ID: <br />
<input type="text" name="id1" value="<?php if(empty($id[0])){$id[0] = array(NULL);}else{echo $id[0];} ?>" readonly /> <br />
<input type="text" name="id2" value="<?php if(empty($id[1])){$id[1] = array(NULL);}else{echo $id[1];} ?>" readonly /> <br />
</td>
<td>
Name: <br />
<input type="text" name="name1" value="<?php if(empty($name[0])){$name[0] = array(NULL);}else{echo $name[0];} ?>" readonly /> <br />
<input type="text" name="name2" value="<?php if(empty($name[1])){$name[1] = array(NULL);}else{echo $name[1];} ?>" readonly /> <br />
</td>
<td>
Score 1: <br />
<input type="text" name="optA1" value="<?php if(empty($score1[0])){$score1[0] = array(NULL);}else{echo $score1[0];} ?>" onchange="optTotal1()" /> <br />
<input type="text" name="optA2" value="<?php if(empty($score1[1])){$score1[1] = array(NULL);}else{echo $score1[1];} ?>" onchange="optTotal2()" /> <br />
</td>
<td>
Score 2: <br />
<input type="text" name="optB1" value="<?php if(empty($score2[0])){$score2[0] = array(NULL);}else{echo $score2[0];} ?>" onchange="optTotal1()" /> <br />
<input type="text" name="optB2" value="<?php if(empty($score2[1])){$score2[1] = array(NULL);}else{echo $score2[1];} ?>" onchange="optTotal2()" /> <br />
</td>
<td>
Other Qualification: <br />
<input type="text" name="other_qual1" value="<?php if(empty($other_qual[0])){$other_qual[0] = array(NULL);}else{echo $other_qual[0];} ?>" readonly /> <br />
<input type="text" name="other_qual2" value="<?php if(empty($other_qual[1])){$other_qual[1] = array(NULL);}else{echo $other_qual[1];} ?>" readonly /> <br />
</td>
<td>
Interview: <br />
<input type="text" name="interview1" value="<?php if(empty($interview[0])){$interview[0] = array(NULL);}else{echo $interview[0];} ?>" readonly /> <br />
<input type="text" name="interview2" value="<?php if(empty($interview[1])){$interview[1] = array(NULL);}else{echo $interview[1];} ?>" readonly /> <br />
</td>
<td>
Total: <br />
<input type="text" name="total1" value="<?php if(empty($total[0])){$total[0] = array(NULL);}else{echo $total[0];} ?>" readonly onKeyUp="optTotal1()" /> <br />
<input type="text" name="total2" value="<?php if(empty($total[1])){$total[1] = array(NULL);}else{echo $total[1];} ?>" readonly onKeyUp="optTotal2()" /> <br />
</td>
</tr>
</table>
<input type="submit" value="update" name="update" />
</form>
</form>

Answer 1

You cannot do a GET and POST at the same time. Use one or the other..
In your HTML remove the <form method="get"> and the corresponding </form> and just use POST. (<form method="post">)
See this: Post and get at the same time in php
So then in your PHP, change GET to POST like so:
if(isset($_POST['gogo'])){
include('include/connect.php');
$batchcode = $_POST['code'];
$sql = mysql_query("SELECT * FROM score WHERE batchcode = '".$batchcode."' ");
...
EDIT:
Or alternatively, you could keep your php code the same the way you have it and just make it 2 seperate forms in your HTML,.. The search form using GET and the other form using POST
So HTML would be this:
<form method="get">
Search batchcode: <input type="text" name="code" id="query" /><input type="submit" value="Go" name="gogo" /><br />
</form>
<form method="post">
<table>
<tr>
<td>
ID: <br />
<input type="text" name="id1" value="<?php if(empty($id[0])){$id[0] = array(NULL);}else{echo $id[0];} ?>" readonly /> <br />
<input type="text" name="id2" value="<?php if(empty($id[1])){$id[1] = array(NULL);}else{echo $id[1];} ?>" readonly /> <br />
</td>...
...
</form>

Answer 2

If your code won't update then it is very likely you are updating the wrong files. Make sure that you are updating the files on the server or even better updating the files on your local drive and then uploading them to the server.
Check that you have permissions to upload to the correct place too. Might be that your uploads are failing because of bad permissions.