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Second list box values changing according to selection of first list box

Posted on 2005-04-21
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Last Modified: 2008-02-01
Hi

I have simple table that lists cars, trucks etc. I would like to put those values to list box. And I want to have another list box as well. If user selects cars, it will go to another table and read cars there and list them at second list box. If user select trucks, it will automatically select trucks from table and list them at second list box.

If you could please help, it will be great.

Thanks
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Comment
Question by:hasozduru
2 Comments
 
LVL 12

Accepted Solution

by:
str_kani earned 1000 total points
ID: 13840383
list1 (for selecting car or trucks)

list2 (for showing the cars..)

list3 (for showing the trucks..) right?

you can do that using only one list box,!

when the user select something in the list1, fetch all data needed from the     db and fill it in the list2.  


<?php

?>
<select name="sel1">
<option value="car">Car</option>
<option value="truck">Truck</option>
</select>

<select name="sel2">
<?php
if(isset($_POST['sel1']))
{
$selected_option=$_POST['sel'];
if ($selected_option=="car")
{
//select query for car
}elseif ($selected_option=="truck")
{
//select query for truck
}

}
$result=mysql_query($query);
while($row=mysql_fetch_array($result))
{
?>
<option value="<?php $row[0]?>"><?php $row[0]?></option>
<?Php
}
?>
</select>
0
 

Author Comment

by:hasozduru
ID: 13844204
This example did not help me. I am looking for something like at www.easyjet.com site. Please visit and select "from" list box and see how "to" list box changes according to "from" one.

Thanks
0

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