Uitleg bij script
Nu weet ik alleen niet precies wat alles doet. Zou iemand mij misschien wat uitleg kunnen geven hierbij. bij voorbaat dank.
Code (php)
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<?php virtual('/Connections/opdracht1.php'); ?>
<?php
if (!function_exists("GetSQLValueString")) {
function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "")
{
$theValue = get_magic_quotes_gpc() ? stripslashes($theValue) : $theValue;
$theValue = function_exists("mysql_real_escape_string") ? mysql_real_escape_string($theValue) : mysql_escape_string($theValue);
switch ($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 $theValue;
}
}
mysql_select_db($database_opdracht1, $opdracht1);
$query_Recordset1 = "SELECT * FROM provincie ORDER BY provincie.ID";
$Recordset1 = mysql_query($query_Recordset1, $opdracht1) or die(mysql_error());
$row_Recordset1 = mysql_fetch_assoc($Recordset1);
$totalRows_Recordset1 = mysql_num_rows($Recordset1);
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=shift_jis">
<title>Untitled Document</title>
<script language="javascript">
var xmlHttp
function showLanden(str)
{
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
{
alert ("Your browser does not support AJAX!");
return;
}
var url="file2.php";
url=url+"?q="+str;
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}
function stateChanged()
{
if (xmlHttp.readyState==4)
{
document.getElementById("txtHint").innerHTML=xmlHttp.responseText;
}
}
function GetXmlHttpObject()
{
var xmlHttp=null;
try
{
// Firefox, Opera 8.0+, Safari
xmlHttp=new XMLHttpRequest();
}
catch (e)
{
// Internet Explorer
try
{
xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e)
{
xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
}
}
return xmlHttp;
}
</script>
</head>
<body>
<form action="" method="get" enctype="multipart/form-data" name="frmAjax" id="frmAjax">
<table width="100" border="1">
<tr>
<td>Provincie</td>
<td>
<select name="country" id="country" onchange="showLanden(this.value)">
<?php
do {
?>
<option value="<?php echo $row_Recordset1['ID']?>"><?php echo $row_Recordset1['Naam']?></option>
<?php
} while ($row_Recordset1 = mysql_fetch_assoc($Recordset1));
$rows = mysql_num_rows($Recordset1);
if($rows > 0) {
mysql_data_seek($Recordset1, 0);
$row_Recordset1 = mysql_fetch_assoc($Recordset1);
}
?>
</select>
</td>
</tr>
<tr>
<td>Stad</td>
<td><p><div id="txtHint">
<select name="state" id="state" style="width:110px; ">
<option value="0">Select</option>
</select>
</div>
</p></td>
</tr>
</table>
</form>
</body>
</html>
<?php
mysql_free_result($Recordset1);
?>
<?php
if (!function_exists("GetSQLValueString")) {
function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "")
{
$theValue = get_magic_quotes_gpc() ? stripslashes($theValue) : $theValue;
$theValue = function_exists("mysql_real_escape_string") ? mysql_real_escape_string($theValue) : mysql_escape_string($theValue);
switch ($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 $theValue;
}
}
mysql_select_db($database_opdracht1, $opdracht1);
$query_Recordset1 = "SELECT * FROM provincie ORDER BY provincie.ID";
$Recordset1 = mysql_query($query_Recordset1, $opdracht1) or die(mysql_error());
$row_Recordset1 = mysql_fetch_assoc($Recordset1);
$totalRows_Recordset1 = mysql_num_rows($Recordset1);
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=shift_jis">
<title>Untitled Document</title>
<script language="javascript">
var xmlHttp
function showLanden(str)
{
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
{
alert ("Your browser does not support AJAX!");
return;
}
var url="file2.php";
url=url+"?q="+str;
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}
function stateChanged()
{
if (xmlHttp.readyState==4)
{
document.getElementById("txtHint").innerHTML=xmlHttp.responseText;
}
}
function GetXmlHttpObject()
{
var xmlHttp=null;
try
{
// Firefox, Opera 8.0+, Safari
xmlHttp=new XMLHttpRequest();
}
catch (e)
{
// Internet Explorer
try
{
xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e)
{
xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
}
}
return xmlHttp;
}
</script>
</head>
<body>
<form action="" method="get" enctype="multipart/form-data" name="frmAjax" id="frmAjax">
<table width="100" border="1">
<tr>
<td>Provincie</td>
<td>
<select name="country" id="country" onchange="showLanden(this.value)">
<?php
do {
?>
<option value="<?php echo $row_Recordset1['ID']?>"><?php echo $row_Recordset1['Naam']?></option>
<?php
} while ($row_Recordset1 = mysql_fetch_assoc($Recordset1));
$rows = mysql_num_rows($Recordset1);
if($rows > 0) {
mysql_data_seek($Recordset1, 0);
$row_Recordset1 = mysql_fetch_assoc($Recordset1);
}
?>
</select>
</td>
</tr>
<tr>
<td>Stad</td>
<td><p><div id="txtHint">
<select name="state" id="state" style="width:110px; ">
<option value="0">Select</option>
</select>
</div>
</p></td>
</tr>
</table>
</form>
</body>
</html>
<?php
mysql_free_result($Recordset1);
?>
Code (php)
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<?php virtual('/Connections/opdracht1.php'); ?>
<?php
if (!function_exists("GetSQLValueString")) {
function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "")
{
$theValue = get_magic_quotes_gpc() ? stripslashes($theValue) : $theValue;
$theValue = function_exists("mysql_real_escape_string") ? mysql_real_escape_string($theValue) : mysql_escape_string($theValue);
switch ($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 $theValue;
}
}
mysql_select_db($database_opdracht1, $opdracht1);
$query_Recordset1 = "SELECT * FROM stad WHERE stad.Provincie_id = '".$_GET['q']."'";
$Recordset1 = mysql_query($query_Recordset1, $opdracht1) or die(mysql_error());
$row_Recordset1 = mysql_fetch_assoc($Recordset1);
$totalRows_Recordset1 = mysql_num_rows($Recordset1);
?><html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=shift_jis">
<title>Untitled Document</title>
</head>
<body>
<form action="" method="post" enctype="multipart/form-data">
<table width="100" border="1">
<tr>
<td><select name="state" id="state">
<?php
do {
?><option value="<?php echo $row_Recordset1['Provincie_id']?>"><?php echo $row_Recordset1['stad']?></option>
<?php
} while ($row_Recordset1 = mysql_fetch_assoc($Recordset1));
$rows = mysql_num_rows($Recordset1);
if($rows > 0) {
mysql_data_seek($Recordset1, 0);
$row_Recordset1 = mysql_fetch_assoc($Recordset1);
}
?>
</select></td>
</tr>
</table>
</form>
</body>
</html>
<?php
mysql_free_result($Recordset1);
?>
<?php
if (!function_exists("GetSQLValueString")) {
function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "")
{
$theValue = get_magic_quotes_gpc() ? stripslashes($theValue) : $theValue;
$theValue = function_exists("mysql_real_escape_string") ? mysql_real_escape_string($theValue) : mysql_escape_string($theValue);
switch ($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 $theValue;
}
}
mysql_select_db($database_opdracht1, $opdracht1);
$query_Recordset1 = "SELECT * FROM stad WHERE stad.Provincie_id = '".$_GET['q']."'";
$Recordset1 = mysql_query($query_Recordset1, $opdracht1) or die(mysql_error());
$row_Recordset1 = mysql_fetch_assoc($Recordset1);
$totalRows_Recordset1 = mysql_num_rows($Recordset1);
?><html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=shift_jis">
<title>Untitled Document</title>
</head>
<body>
<form action="" method="post" enctype="multipart/form-data">
<table width="100" border="1">
<tr>
<td><select name="state" id="state">
<?php
do {
?><option value="<?php echo $row_Recordset1['Provincie_id']?>"><?php echo $row_Recordset1['stad']?></option>
<?php
} while ($row_Recordset1 = mysql_fetch_assoc($Recordset1));
$rows = mysql_num_rows($Recordset1);
if($rows > 0) {
mysql_data_seek($Recordset1, 0);
$row_Recordset1 = mysql_fetch_assoc($Recordset1);
}
?>
</select></td>
</tr>
</table>
</form>
</body>
</html>
<?php
mysql_free_result($Recordset1);
?>
Gewijzigd op 26/08/2010 11:15:32 door Jeffrey boud
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