Update All Select Boxes On Page Using Javascript

Jan 25, 2007

I am trying to update all Select boxes on a page dynamically using
javascript, I simple want to change the selected item in each select
box when a tick box is pressed on the page. Each Select box is named
in the same convention ie. ddl_DeliveryStatus_ and then the recordID
and contains the same options in the same order. The number of select
boxes changes every time the page is loaded as this is all built using
ASP linked to a database.

I am hoping there is an array or collection or something similar I can
simply reference to do this, but an struggling to find the answer.

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Javascript Question On Dynamic Select Boxes

Jan 28, 2002

Question: How hard is the following to do in javascript and does anyone have a good example of this in use (aka how do you do it? )

4 drop down boxes all on one page. I have 4 items in the list of the first drop down box.

Red
Blue
Green
Orange

When I select one, I want the choice to be taken out of the list for the second drop down box. So if I select Blue in Drop Down #1, Drop Down #2 now has the option of

Red
Green
Orange

If I select Red from the list the Drop Down #3 now has

Green
Orange


Then if i select Orange, the last drop down has only one value and that is Green.

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Multiple Select Boxes :: Make The Select Boxes Appear AFTER You Select The Field Before?

Jul 24, 2009

<script language="JavaScript" type="text/javascript">
<!--
/*[code]....

// This script supports an unlimited number of linked combo boxed

// Their id must be "combo_0", "combo_1", "combo_2" etc.

// Here you have to put the data that will fill the combo boxes

// ie. data_2_1 will be the first option in the second combo box

// when the first combo box has the second option selected

// first combo box

data_1 = new Option("Business Cards", "$");
data_2 = new Option("Club Flyers", "$$");[code].....

I have this code, and I was wondering if it is possible to make the select boxes appear AFTER you select the field before.

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Check Boxes - De-select Other Boxes By Click Another Box?

Jun 5, 2009

I have four html form check boxes.The user is allow to choose one or three of the check boxes, the last check box has a value of None.

Example: What's your favorite color.1. Red 2.Blue 3. Green 4. Gray. 5. None.The user can select more then one color.So I'm wondering how can I make the other check boxes deselect when the user click None.So if the user select None, then the other boxes cannot be checked. know you can do this with radio buttons but I would like the user to select more then one option.

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JQuery :: How To Update Check Boxes In Code

Jul 2, 2009

This code does not work var chk = $('#frmCoverage:checkbox');chk.checked = true;What am I doing wrong?

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JQuery :: Cascade Update Of Input Text Boxes?

Apr 14, 2011

I have 3 input text elements:

<html>
<head>
<title></title>
<script type="text/javascript" src="../lib/jquery/jquery.js"></script>

[Code].....

When user inputs text to "text1" I want to reflect changes in "text2". When value is changed in "text2" I want to change value in "text3". So I handle keyup event in "text1" and then successfully update "text2". But which event need to be handled when value of "text2" is changed?

Important remarks:1. I don't want to update "text3" from "text1".keyup event. My goal is to handle some event when value in "text2" is changed(may be by user or may be by code)2. "text3" needs to be changed immediately after "text2".value changed

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2 Password Boxes On Same Page Using JavaScript Kit Encrypted Password Generator

Apr 28, 2010

I'm having trouble getting two password boxes to work on the same page, which I created using the JavaScript Kit Encrypted Password Generator [URL].

I've used the code that this generator produces, with some modifications as given by cheesebagpipe [URL]. These changes enable the user to press the keyboard's enter key to submit the password (as an alternative to clicking the submit button), and will also refocus the text box and select the text in it if the user enters the wrong password.

The code works fine on pages with just one box (e.g. [URL]), but what changes are needed to make two work on the same page? (I'm new to web design and clueless when it comes to JavaScript, which I know isn't the most secure method of password protection, but will do for now).

At the moment, on pages with two boxes (e.g. [URL]), neither of the boxes work; this appears in the address bar instead: [URL] ('help!'=whatever has been entered in the text box).

The full code for both boxes is given below.

<div id="passwordBoxes">
<div id="password2">
<form name="password1" onsubmit="submitentry();return false;">
<span class="WhiteLogin">Keyboard classes login</span>

[Code].....

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SELECT OnChange Auto Fill Other SELECT Boxes

Jul 25, 2002

I searched here and some other places on the net but cant find anything that suits my needs. I have a SELECT box with 3 values Code:

<form name="form1">
<select name="length">
<option name="length" value="none">--Select for All--</option>
<option name="length" value="5">--5 Days--</option>
<option name="length" value="7">--7 Days--</option>
<option name="length" value="10">--10 Days--</option>
</select>
</form>

OnChange, I want to invoke a function that auto populates the rest of the SELECT fields in the form. The select boxes will vary in quantity as the page is dynamic, but the values are always the same (like the code above).

Does this make sense?

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Cascading Select Boxes.

Jul 20, 2005

We have had this script on our site for a while, and it has always
worked in any browser we have tested. It dynamically fills one select
based on the selection of another select. Unfortunatly, with the
release of NS 7, and the related Mozilla engine, this script no longer
works. Code:

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Dependable Select Boxes

Jul 20, 2005

I have 3 select boxes! one is hotel one is destination and one is
country...

if someone clicks selects the country then the destination select box shows
the destinations in that country and further if he chooses destination all
the hotels in in that destination are shown in hotel select
box....(everything is from mysql database)

I don't have a clue how to do this or where to find some readings about it
and I really need that desperatly....

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Selecting Through Select Boxes?

Mar 5, 2009

I have a form that starts like this: http:[url].....I would like to have it set so that when they select Atlantis, it pulls out information into the second box, then they select something in there and it creates a list in the last box... does anyone know how to do this?

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Validating Select Boxes With JS?

Jul 25, 2009

I am using alot of Select boxes on one of my PHP/XHTML pages and i need to ensure the user has selected at least one option from the box.I have little experience with Javascript, but I tried this;

function madeSelection(elem, helperMsg)
{
if(elem.nodeValue == null)[code].....

All that is happening is its returning a boolean false regardless of whether or not i select an option.

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JQuery :: Add Values Of Select Boxes?

Oct 16, 2010

I am trying to add values of selected options in select boxes that update on any change...

I don't know why this is not working [code]...

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JQuery :: How To Synchronize 2 Select Boxes

Nov 15, 2011

I have 3 select boxes (2 visible and 1 hidden ). I move elements from one sb to the other via this function [code]I need to synchronize the hidden select box with one of the visible select boxes. When I move elements to the visible select box they should be also copied to the hidden select box and vice versa, when moving elements from the visible select box, also move them form the hidden select box.

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Dynamically Loaded Select Boxes

Mar 30, 2006

Each time I dynamically load the options of a select box and then try to do anything with it (such as clicking it or using other JS code on it) I get the following Firefox error:Error: Index or size is negative or greater than the allowed amount = NS_ERROR_DOM_INDEX_SIZE_ERR

I am using the following code:<select id="day" name="day"></select>
<script language="javascript">
var options_list = new Array(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31);
selectbox_element = document.getElementById('day');
selectbox_element.options.length = 0; // Remove any previous values.

for (var i = 0; i < options_list.length; i++) {
selectbox_element.options[i] = new Option(options_list[i], options_list[i]);
}
</script>

The "options_list" array is filled beforehand using a simple PHP for() loop.

If I create the exact same options but do so by writing them into the HTML using PHP, then I don't see the error message anymore.

This problem happens in both Firefox 1.5 and Internet Explorer.

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AJAX :: Populate 5 Select Boxes?

Jan 16, 2011

I have a product select page that is really slow to use because 6 dropdowns must be populated and the page reloads after selecting each box, to get the options for the next box.I want to speed it up as follows:

1) User selects one of 50 products from a dropdown list.

2) Page reloads, and all the possible options for the remaining 5 dropdown boxes are now populated (ie. list options all stored client side)

3) User can freely input the remaining 5 dropdowns without the page reloading.

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Multiple Dropdown Select Boxes?

Nov 19, 2010

I'm populating a couple of dropdown boxes from an xml file, but can't get them working independently. As you can seehtmwhen you select an item from the first select box (a polyline), itdisplays the corresponding item from the other box (a polygon), too.I found this answer on the google maps forum:"Don't know of an example, but building two select boxes isn'tdifficult: pass into your createMarker() function the relevant flag,and add the data to one of two variables (instead of everything beingadded to select_html as now).You shouldn't need two handleSelected() functions -- both select listscan use the same function because each select box passes itself("this") into the function."which is what I thought I did (making sel_html and select_html) butmaybe the two variables being discussed here are different ones?cross-posted on the google maps forum here and here but not answered.

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IE9 Breaks Dynamic Select Boxes?

Jun 20, 2011

I have the below JS code to change up a select box based on what is selected in another select box. IE9 broke this somehow. It still works in other browsers as well as IE8 and IE7.

When you select something in select box A, it properly populates select box B. However when you go back and change select box A again the script stops working completely.

[Code]...

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Customizing Dynamic Select Boxes

Dec 10, 2009

I'm trying to customize a script I found. It's about two select boxes, one for continent selection and one for country selection. When user selects a continent from the first select box, the second select box is filled with the list of the proper countries that belong to this continent.You can see that code of the script here:URl...In my page, the continent select box is loaded with a continent-value already selected (the selection depends on a database value) and I want to have the second countries select box, also loaded with the proper countries.I cannot make this happen, unless I change the continent's selection and trigger the onchange event. Can I someway keep the onchange event and also add the ability to have a continent and it's list of countries already loaded?

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Manipulate Select, Optgroup, Option Boxes

Jul 23, 2005

I have more than once wanted to manipulate the contents of select boxes
dynamically, whilst the boxes contain <optgroup> tags.
Manipulation of a select box containing only <option> tags is fairly
easy and there is plenty of material on the net to assist with this.
However, I have searched long and found the material on the subject of
<optgroup> to be sparse, with a few posts here & there, but basically
you're on your own.

After much trial & error regarding techniques for this, I have a fairly
generic solution, which I decided to share, and the code is below. Two
different scenarios I have come across are (1) altering the contents of
one <select> dynamically depending upon another, and (2) being able
click 'up' and 'down' buttons to alter the sequence of the listing
(whilst keeping each <option> within its respective <optgroup>) I tried
various solutions for both of these which tended to either trash the
screen, alter which <optgroup> an <option> was under or trash the
<optgroup>s altogether.

Both these situations can be handled with the solution here. Basically
I keep the <optgroup>s and <option>s stored in an Array(), and then use
the Array() to reconstruct the <select>.

To use, just manipulate the Array() in memory - which I find very easy
- and then call the function to reconstruct.

I like to build the <select> <optgroup> <option> set using HTML as
normal and then create the Array() with <body as this makes
it usable where javascript is unavailable, rather than have the Array()
as a hard-coded start point. Code:

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JQuery :: Multiple Select Boxes Changing A Div Value?

Oct 29, 2011

I'm not entirely familiar with jQuery coding, but I've given it my best shot to get this script working properly, and I can't seem to manage it. Here is my scenario: I'm creating a website for a friend who sells custom jewelery cuts. There are 4 different parameters you have to choose about your cut, and we would like to change the image displayed to match the parameters you select so you have a picture of what your going to purchase. The idea is like this:

I have managed to get it to update the image for a single select box, but then If I select another one it completely overrides the first one, and displays the second box. Here is what I have so far (and no it doesn't work :P):

[Code]...

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JQuery :: Multiple Select Boxes, Only One Is Required?

Jul 12, 2011

I have a form with 4 select boxes. At least one of them must be used during the submission event.I cannot get the logic straight that will enable this to happen.

[Code]...

This ensures that when only one select box is chosen, the form validates, however, it also validates if no boxes are selected. What's the most efficient way of doing this?

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Two Select Boxes - Accessing Variable In HTML

Mar 15, 2009

I have two Select Boxes on my web page, 2nd being populated based on selection of first select box. Now I am suppose to get the selected value of 2nd Select and put it in a link i.e.
Code:
<a href='abc.html?id=<2nd select box value>

I can get the selected value using Javascript with the following code:
Code:
2ndid = form.2ndodf.options[form.2ndodf.options.selectedIndex].value;
Where 2ndid is a global javascript variable.
How I can use this variable into <a href> tag.

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Combobox: Select And Text Input Boxes In One?

Oct 10, 2009

I have an in-house web application in which the user inputs items to a text field. Over 80% of all data entered into the field falls is one of three values, the other 20% is random. Can I make a select field that lets the user override the values with one of his own, or equally, create a textbox with a dropdown menu to select from?

The goal is to get the behavious of a web browser's address bar: the same control could accept random input, but also make suggestions in a pre-populated dropdown list.

Ideally, the control would work with and without the mouse, as the users are not confined to any single platform and we have Linux and Windows users as well.

I am not sure if this should be under JavaScript or CSS as the solution probably depends on both technologies.

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2 Select Boxes In 1 Form With Onchange Display

Jun 17, 2010

I'm using onchange display to hide/show form elements depending on the value of a select box. It works perfectly well (I actually really adore it) for one select box, but I have another select box which I'd like to act similarly.

<head>

But when I go to add a second select (obj,id1,id2,id3,id4,id5,id6) with new "ifs" and id's, etc and so forth, neither work.

Is there any way to fuse them and get a second select to work the same?

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Pair Of Select Boxes - Radiobuttom Hybrid ?

Dec 3, 2011

I need a pair of select boxes to behave like,

1- Just one of them can be checked at any time (like radiobuttoms)

2- Both can be unchecked at will (like select boxes).

The code bellow is what I have written but it is not working,

As you can see, in this case there are three rows with a pair of select boxes each, and I nead that each pair have the behaviour described above.

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