Populate A Second DropDownList Based On A Selected Value From Other DropDownList

Jun 23, 2010

I'm trying to link two dropdownlist depending on the value you select from the first dropdownlist. What I want to do is select a value from the first dropdownlist and depending on its value show some options in the second dropdownlist. I try doing this:

1-when the OnChange event of the first dropdownlist occurs, I call a javascript that redirects to a method in a controller (for example: index/mainController/firstMethod/selectedValue).

2-the method in the controller using the url helper extracts the “selectedValue” to do a database search of the value of the second dropdownlist.

3-the same method loads the view (the one that have the ddl)

Doing this I lose the selected value of the first ddl. I think this is not the right way to do it.

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Populate A Dropdownlist Based On The Selection Made In Another Dropdownlist?

Nov 6, 2010

How do I automatically populate the second dropdown based on the selection made in the first one. Say if I choose a contry in the first dropdown, then I want to display a list of cities from that country in the second dropdown. Is there a way to do this with jQuery?

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I am developing an application where I am using country (dropdown list) and state (dropdown list).The question is when 1 select country, it's states will be populated in state dropdownlist but the state list is only provided for USA and other countries are not provided so they have to type in.

So how to change state input type (TEXTBOX OR DROPDOWNLIST) based on USA (country).That is If USA -DROPDOWNLIST Else Other Countries -TEXTBOX

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i have a form. In this i want display the category names in one select box. Based on the selection of category if the category is having sub-category then it will show the second select box dynamically for a respective category. This is based on the category value not based on the index they select..

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it really does work. the next thing i would like to do is to insert into the database everything that were chosen that were moved to List2[] using queries with PHP and Mysql..

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I have form with two dropdownlists (lets say A and B). When I select a value from A, B is being populated accordingly using AJAX In the same page I have a button, that when pressed, posts the values of the selected items of the dropdownlists to another PHP page. The problem I am having is that the selected value of B is returned as Blank/Empty. Is there a way to store the selected value of a dropdownlist populated using AJAX?

(Main FORM)
<form name="NewBar" method="post" onsubmit="return validateFormOnSubmit(this)" action="AssignContactDetailToBar_f.php">
<tr>
<td width="150"><b>Bar:</b></td>
<td>
<select name = "bar" onChange="getContact('AssignContactDetailToBar_f_getContacts.php?bar='+this.value)" size = 1 style = "width:190px">
[Code]...

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I am writing the following in PHP:i would like to have 2 dropdownlists, where the second one is populated from a mySQL dB according to the choice made on the first dropdown list. Then I would like to use the values of the selected values of the dropdownlist to call another PHP page in which I will generate a db query.

Eg:
List A: Car Manufactures (honda, nissan, etc)
List B: Models (accord, civic, etc)

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Apr 10, 2011

Just like the title says i'm having difficulties in achieving it. Here's my dropdownlist:

<?php
$query = "SELECT data, rel_id FROM $tbl_rel_balansas INNER JOIN $tbl_balansas ON $tbl_rel_balansas.rel_id = $tbl_balansas.id WHERE $tbl_rel_balansas.member_id = '$_SESSION[id]' group by data";
$result = mysql_query ($query);
echo "<select name=data value=''>Data</option>";
while($nt=mysql_fetch_array($result)){
echo "<option value=$nt[data] name="blabla">$nt[data]</option>";
}
[Code]....

Here's the buttonclick:

[Code]....

After I press it, it retrieves the data I want from the date I've chosen from the drop down list and also reset whole drop down list showing the first value of the dates from sql database, not the one I selected. If anyone knows how to keep the selected value in the list

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Jan 30, 2010

I created 3 language packs for my site: English, Spanish and French. I am just having trouble implementing them based on user selection. I have the following drop down menu:

<select onchange='document.location.href=this.options[this.selectedIndex].value;'>
<option>Select</option>
<option value="?lang=eng">US English</option>
<option value="?lang=esp">Español</option>
<option value="?lang=fra">Français</option>
</select>

How can I include the language files based on what the user selects, I just don't know what to put as the condition in the if statement.

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i have a problem to dropdown list, i have use this url coding [URL] (download link --ajax dd) this process use two dropdownlist boxes, my problem is i want insert dropdownlist text only,but here they use get value...
how to get dropdownlist text value.

excname = dfgdg
$cat = 2(cat ddlist)-----i need text value only what to do.
$subcat = ICWA(subcat ddlist)

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dummy code
if today
then
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Dec 12, 2010

In my dropdownlist I have two different values for each option. How can I retrieve both? Let me illustrate what I mean.

<select name="my_ddl">
<option value="<?php $value_Id ?>"><?php $value_text ?></option>
<option value="<?php $value_Id ?>"><?php $value_text ?></option>
</select>

When the form is posted, I want to be able to get both the $value_id and $value_text of the selected option. How can I do this?

$_POST['my_ddl'] only gets one value not both.

In asp.net I could do this simply by referring to my_ddl.Value and my_ddl.Text.

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[code]....

I have a dropdown like this. What I want, I want to get selected value and text in button submit using PHP.I mean if it's selected 1st one. I want to get both 1 and Ca

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function getReportSingleMonth($month, $year, $id_user=NULL) {
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[code]....

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May 23, 2011

Ive been searching around here to find an answer but I cannot find one :). My issue I have 2 dropdownlist "manufacturers" and "models". This is for an aircraft directory. What I want is after the user select a manufacturer and model and click "submit", they will be redirected to a page and show the information about a certain aircraft that belongs to that certain manufacturer and model. Just for clarification, I want to show that data after the user click the submit button. I saw a lot of tutorials about getting data from the dropdownlist but all of them used "onchange" for getting and displaying the value from the dropdownlist.

here is the code:

<form name="psform" action="pistonsingle.php" method="post">
<?php
$display = displaymaincat(1);
while($result=mysql_fetch_array($display)){
echo $result['maincategory'];
}
?>
<?php

[Code]...

its working. it displays the data but the problem is when the user click the submit button even he/she select a certain manufacturer or model, what my code do is just display all the aircrafts and not a certain aircraft that belong to a certain manufacturer and model.

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I have a website that loads a CSV, divides it into parts, and shows these parts. There are 7 parts, and since it is for a music store it is sliced like this:

the name of the product
the subname
the price
the stock in one shop
the stock of the other shop
the group name
the brandname

What i have now is that it shows 12 products on 1 page, with a next and previous link on top of the page. The pages are made with the group name, every group has it's own page, so you have a drums page, guitar page, speaker page. That all works great. What i programmed in there is a dropdownlist, it drops down a list of brandnames, which should narrow the search for a person who is looking at the products. Problem is right now, that the dropdown menu works, i see the brands, but they are NONE clickable, only the brands that are currently on the page are shown, so NOT all the brands from that group are shown, only the 12 that are currently showing, when you press next, it shows 12 more brands, but i want them to be shown right on the start.

And the third problem is, when it is showing the brands, it shows them double or triple, depending on how many products have the same brand. Is there a way what i want, with this code as a basis ?

[Code]....

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echo"<selectname="$strNameField"size="1"multiple="multiple">";

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<?php
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<?php
require"session_logincheck.php";
functionselectProductAndPopulate()

[code]...

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I have two drop downlist in one view but i don't know if i can load the view passing the two arrays like this:$this->load->view('primerPaso',$data,$data2);
To be more specific i'm doing everything like this:
Model
/*
* Método encargado de consultar las ciudades
* donde existen agencias.
*/
function ConsultarCiudadesAgencias()
{
$this->db->select('LISValor');
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[code]...

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I need to call to this text to add a all with value "blank/empty" or "0" to the dropdownlist code below..
it should be inserted int the first position in the dropdownlist and have a value blank and call to this text from the language files:

$searchAll = gettext('_LANGUAGE_SEARCH_ALL',_LANGUAGE_SEARCH_ALL,false,false);

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here is my code://this is a search function which calls to the field rate_title the text from the select box is matched to the database table and the search pages shows the search option is the search is successful.. I have 5 of these types of searches but cant give a broader search option to my users as the values must be selected to search--- i need the option "ALL" to have a "EMPTY" value or no value....

[Code]...

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Actually i am working in a bidding project.

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I need to query two tables using two combo boxes. The tables are of this type : author/publications , brand/products ..etc..

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The first combo box is populated, so I can tell that nothing is wrong for the first combo box code. however, when i try to change it's value nothing happens , "the scond one is not populated".

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Mar 22, 2011

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For example:

If the dealer gets 10 new Dodge Charger's in stock, the employee could open the form to add units and select "2011 Dodge Charger" as a common entry. The rest of the form would auto-populate based on the standard features of that vehicle rather than having to go down the form and enter every field manually 10 times.My idea is to just create another table with the fields entered as they should be, grab that data and fill out the form accordingly.I would like to implement AJAX (which I have working with a little) to make it more user friendly.

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So what is missing from the following?:

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I have a form, and there are 5 fields. The first field is an autocomplete field. I'd like to have the other 4 fields populated based on the autocomplete field selection. The docs in github ajax.autocompleter page reference setting an id and using a js function to call the id value, but this doesn't seem efficient if using multiple fields/need multiple values in addition to the ac value.

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PHP Code:

<?php
echo'<selectid="t">';
$arr=array([code]....

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Mar 9, 2010

I am not too good on php and MYSQL and I am currently struggeling with populating a form on my website based on a selection chosen by the user from a drop down menu. The drop down menu is dynamic with its values populated from a database. Below the menu is a form that has two functions which are:

1. It allows the user to write information to the database.
2. Allows the user to view and edit records from the database.

The data held in the drop down menu is the the title of the record, and when a new record is added to the database it automaticalty gets added to the menu. The problem comes with when the user choses an option from the menu as the form needs to display the corrasponding data but I dont know how to do this. For example, if JAN is chosen from menu the form should be repopulated with the data input by the user for that record.

So far the code I have is:
<?php
session_start();
// Database Connection
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[Code]...

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Jul 4, 2011

I am trying to populate a textbox based upon the selection of a dropdown box. The dropdown box contents are retrieved via PHP from my mysql database.

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Here is the selection of code at the moment.

<?php
$link = mysql_connect('host', 'username', 'password') or die('Could not connect: ' . mysql_error());
mysql_select_db('databasename') or die('Could not select database');
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[Code].....

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<?php
$state=$county=null;//declarevars
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$db=mysql_select_db('test',$conn);
if(isset($_GET["state"])&&is_numeric($_GET["state"]))
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[Code].....

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I am trying to print different messages based on what is selected. The selections are stored in a database as $perm, and the options are low, intermediate and high. I am using switch, however i only get the first case printed:

$low = "Low";
$int = "Intermediate";
$high = "High ";
switch($perm) {
case $perm == $low: echo "Low perm <br>"; break;
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[Code]...

I have tried giving the options numerical values, however, when i retrieve the results they are still strings so comparint $perm == 1, 2, or 3 just prints the default message.

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I am working in the confines of a CMS system, which defines certain fields which can be used to make forms for use within the application in PHP.

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I use it thusly:

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[Code]....

I use it thusly

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edit:

The generated HTML from the phpBMS forms

<p class="big"><label for="type" class="important">Payment Type</label>
<br />
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[Code]....

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