to do it without js, you'll need to roundtrip it to the server, check for
the values that you have and run a query to generate the next set of items
for the drop down. And do this for each time that you need a menu generated.
Bastien
From: chintan <chraso@xxxxxxxxx>
To: php-db@xxxxxxxxxxxxx
Subject: Drop Down Menus
Date: Thu, 05 May 2005 18:05:32 +0530
hey guys i wrote this code from another code of zend.php
Can anyone tell me how do i update the value of second menu and third one?
can i do that without javascript?
<?php
session_start();
header("Cache-control: private");
$link = mysql_connect("localhost", "chintan","hellomysql")
or die("Could not connect");
mysql_select_db("chintan") or die("Could not select database");
$XX = "No data availabe!";
echo "<form name=HingeType action=$PHP_SELF method=POST>";
$_SESSION['ItemType'] = $_REQUEST['ItemType'];
echo "<select name=ItemType tabindex=1>";
$aku = mysql_query("SELECT ItemType FROM Products WHERE ItemName='Hinges'
group by ItemType");
while ($row = mysql_fetch_array($aku))
{
$colom_name=$row["ItemType"];
echo "<option value=$colom_name>$colom_name</option>";
}
if ($colom_name="")
{
print ("$XX");
}
echo "</select>";?>
<input type="Submit" value="Update" onclick="Call Test_Click()"><br>
<?php
echo $_SESSION['ItemType'];
$_SESSION['Thickness'] = $_REQUEST['Thickness'];
echo "<select name=Thickness tabindex=2>\n";
$ak = mysql_query("SELECT Thickness FROM Products WHERE ItemName='Hinges'
and ItemType='$_SESSION[ItemType]'
group by Thickness");
while ($row = mysql_fetch_array($ak))
{
$colom_name2=$row["Thickness"];
echo "<option value=$colom_name2>$colom_name2</option>\n";
}
if ($colom_name2="")
{
print ("$XX");
}
echo "</select>";
echo "<input type=submit value='Update'><br>";
echo $_SESSION['Thickness'];
$_SESSION['SizeinMM'] = $_REQUEST['SizeinMM'];
echo "<select name=SizeinMM tabindex=3>\n";
$ak = mysql_query("SELECT SizeinMM FROM Products WHERE ItemName='Hinges'
and ItemType='$_SESSION[ItemType]'
and Thickness='$_SESSION[Thickness]'");
while ($row = mysql_fetch_array($ak))
{
$colom_name3=$row["SizeinMM"];
echo "<option value=$colom_name3>$colom_name3</option>\n";
}
if ($colom_name3="")
{
print ("$XX");
}
echo "</select>\n";
echo "<input type=submit value='Update'><br>\n";
echo $_SESSION['SizeinMM'];
echo "</form>";
$ak = mysql_query("SELECT Rates,Ratesforsspin FROM Products WHERE
ItemName='Hinges'
and ItemType='$_SESSION[ItemType]' and Thickness='$_SESSION[Thickness]' and
SizeinMM='$_SESSION[SizeinMM]'");
while ($row = mysql_fetch_array($ak))
{
$colom_name4=$row["Rates"];
$colom_name5=$row["Ratesforsspin"];
}
echo "<br><b>Rates for M.S.Pin:</b>\t$colom_name4<br>";
echo "<b>Rates for S.S.Pin:</b>\t$colom_name5<br>";
?>
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