php undefined index

Can we get the exact error? What you have given is a little too vague.

To discard those messages you can put this on top in your php files:

error_reporting(E_ALL ^ E_NOTICE);

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PHP Notice: Undefined index: customerid in C:\inetpub\wwwroot\mysite\request_sent.php on line 83

Line 83 = GetSQLValueString($_POST['customerid'], "int"));

What exactly is it saying

$_POST['customerid'] does not exists basically, you can suppress it

<?
  $colname_Recordset1 = "-1";  
if (isset($_POST['email'])) {  
  $colname_Recordset1 = $_POST['email'];  
}  
mysql_select_db($database_test, $test);  
$query_Recordset1 = sprintf("SELECT customerid, customeremail, customername, customerlastname FROM customers WHERE customeremail = %s", GetSQLValueString($colname_Recordset1, "text"));  
$Recordset1 = mysql_query($query_Recordset1, $test) or die(mysql_error());  
$row_Recordset1 = mysql_fetch_assoc($Recordset1);  
$totalRows_Recordset1 = mysql_num_rows($Recordset1);  
  
if (("" == ""))     {  
  $updateSQL = sprintf("UPDATE customers SET random_token=%s WHERE customerid=%s",  
                       GetSQLValueString($_POST['token'], "text"),  
                       GetSQLValueString(@$_POST['customerid'], "int"));  
  
  mysql_select_db($database_test, $test);  
  $Result1 = mysql_query($updateSQL, $test) or die(mysql_error());  
}
?>

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The undefined index just means that there is no $_POST['customerid'].

Are you sure that you are actually posting a field named exactly the same thing, that is it is named customerid instead of customer id.

or something named similarly but not actually what you are asking for on the request_sent.php page.

Oh wait, I think I know what I have done now that you mention it. I have this on the page

<input name="customerid" type="hidden" id="customerid" value="<?php echo $row_Recordset1['customerid']; ?>" />

but the form isn't posting, I have set that update to occur before the page loads:

if (("" == ""))     {

It is meant to post the customerid but there isn't meant to be a submit button, in other words, it isn't up to the user, the form must submit itself if that is possible?

So, I suppose I need something like this but not sure how to automate it

if ((isset($_POST["MM_Update"])) && ($_POST["MM_Update"] == "form1")) {

sure just use javasript to submit the form with.
http://www.javascript-coder.com/javascript-form/javascript-form-submit.phtml

I just used and it worked perfectly.

<script>
document.form1.submit();
</script>

Who deserves points? Once someone started crying because they gave a suggestion which wasn't even the answer and I didn't give them points for taking the time to give me a reply. I am not being nasty, I just wonder if I am supposed to give points for the right answer only or give to everybody who said something? Please advise.

you give points to whomever you felt helped you get the answer you were looking for, not usually to everyone who gave you a comment.