Come lo useresti in questo codice?
<?php require_once('Connections/database.php'); ?>
<?php
function GetSQLValueString($theValue, $theType, $theDefinedValue = "",
$theNotDefinedValue = "")
{
$theValue = (!get_magic_quotes_gpc()) ? addslashes($theValue) : $theValue;
switch ($theType) {
case "text":
$theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
break;
case "long":
case "int":
$theValue = ($theValue != "") ? intval($theValue) : "NULL";
break;
case "double":
$theValue = ($theValue != "") ? "'" . doubleval($theValue) . "'" :
"NULL";
break;
case "date":
$theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
break;
case "defined":
$theValue = ($theValue != "") ? $theDefinedValue : $theNotDefinedValue;
break;
}
return $theValue;
}
$editFormAction = $_SERVER['PHP_SELF'];
if (isset($_SERVER['QUERY_STRING'])) {
$editFormAction .= "?" . htmlentities($_SERVER['QUERY_STRING']);
}
if ((isset($_POST["MM_insert"])) && ($_POST["MM_insert"] == "form1")) {
$insertSQL = sprintf("INSERT INTO clienti (Nome, Cognome, RagSoc) VALUES (%s,
%s, %s)",
GetSQLValueString($_POST['Nome'], "text"),
GetSQLValueString($_POST['Cognome'], "text"),
GetSQLValueString($_POST['RagSoc'], "text"),
mysql_select_db($database_database, $database);
$Result1 = mysql_query($insertSQL, $database) or die(mysql_error());
$insertGoTo = "Agenti/AgentiLoginOK.php";
if (isset($_SERVER['QUERY_STRING'])) {
$insertGoTo .= (strpos($insertGoTo, '?')) ? "&" : "?";
$insertGoTo .= $_SERVER['QUERY_STRING'];
}
header(sprintf("Location: %s", $insertGoTo));
}
?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
</head>
<body>
<p>Inserimento clienti </p>
<p> </p>
<form method="post" name="form1" action="<?php echo $editFormAction; ?>">
<table align="center">
<tr valign="baseline">
<td nowrap align="right"> </td>
<td><input name="id" type="hidden" value="" /></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Nome del Referente o Direttore:</td>
<td><input type="text" name="Nome" value="" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">Cognome :</td>
<td><input type="text" name="Cognome" value="" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right">RagSoc:</td>
<td><input type="text" name="RagSoc" value="" size="32"></td>
</tr>
<tr valign="baseline">
<td nowrap align="right"> </td>
<td><input type="submit" value="Inserisci record"></td>
</tr>
</table>
<input type="hidden" name="MM_insert" value="form1">
</form>
<p> </p>
l'errore finale che ricevo al momento della conferma di diserimento è:
Cannot add or update a child row: a foreign key constraint fails
da cosa è causato?
Grazie.