Onchange And Onkeypress Event On A Select Dropdown

Jul 21, 2009

I have a select dropdown which has two events an onchange and onkeypress.
My problem now is when I use the keyboard arrows to select an item from the list in a select drop down the onchange is selected(invoked) before I even reach the second item in the list when using opera and IE but working fine with Firefox and chrome.The onblur event does not work either because the focus must be set to following tag

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Onchange Event For A Dropdown?

Jun 9, 2009

I have a drop down list in html which contains 3 items; Black, white,blue..If i select "Black", a pop up window should come up. (Alert or confirm)JS and need to complete My academic project work.

<select id="mylist">
<option value="White">White</option>
<option value="White">Black</option>

[code]....

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Onchange With Select Tag - Dropdown Box

Aug 26, 2011

I am using the OnChange event with the drop down box populated with countries.....but only works when certain countries are chosen.

When a country is chosen the OnChange event fires, passing a variable to the same page using the location.href.

Once this is done the onload within the body tag calls the function SetFocus() to the First Name text box.....which does not always work either.

Here is the code:

Code:

HTML Code:

HTML Code:

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Dropdown Onchange To Select Mysql With Php?

Apr 9, 2009

I am trying to create a dropdown that selects mysql with php. For example I have two select dropdowns the first with types and second with products. So when the types select is click the products from that category are listed in the product select.

<select name="type" id="type">
<option value="1">Accessories</option>
<option value="2">Cables</option>

[code]....

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Reload A Html Page OnChange Event Of Dropdown List?

Nov 25, 2009

I want to reload an html page onChange event of dropdown list and retain the old values filled in the page.

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OnChange Event - Populate Dropdown Fields Separately From Database

Dec 17, 2011

I have two drop-down fields that are populated separately from the database. Here is my HTML/PHP code
Drop-down field #1
<tr class=bodyTRstyle>
<td width="35%"><p align="left">Venue</td>
<td class=fieldTDstyle width="269"><p align="left">
<select name="VenueName" class=VenueName><option selected><?php echo $VenueName?></option

<?php
$SelectVenueQuery="select * from venue order by VenueName";
$SelectVenueResult=mysql_query($SelectVenueQuery);
while ($VenueRow=mysql_fetch_array($SelectVenueResult)){
extract($VenueRow);
echo "<option value='$VenueName'>$VenueName";}?>
</select></td></tr>

Drop-down Field #2
<tr class=bodyTRstyle>
<td width="35%"><p align="left">Results</td>
<td class=fieldTDstyle width="269"><p align="left">
<select name="GameResults" class=GameResults><option selected>
<?php echo $GameResults?></option
<?php
$ResultsQuery="select * from result order by ResultDate";
$ResultsQueryResult=mysql_query($ResultsQuery);

While ($ResultsRow=mysql_fetch_array($ResultsQueryResult)){
extract($ResultsRow);
echo "<option value='$ResultDate'>$ResultDate";}?>
</select></td></tr>

This code works well as long as the two drop-downs are independent of each other. The result table has VenueName as an element, so each venue has a set of result records in the result table. This is how I want to change it: The Venue dropdown will remain as it is. Once the Venue Name is selected I want the result dropdown to populate with ONLY the result records containing a match on VenueName that was selected in the venue dropdown. How do I do that? Is it with a onChange Event? What are the changes that need to be made? How do I communicate to the second drop-down what was selected in the Venue drop-down??

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Add An Onchange Event To A Select Tag?

Nov 12, 2009

I am trying to add an onchange event to a select tag.

This is my code, but it does not appear to be working.

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=windows-1250">

[Code]....

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Onchange Event Of Select Box?

Jun 23, 2009

I want to make one application using javacript or may be it is in ajax. Let me explain my problem: I have one select box name person which have value 0,1,2,3,4,5 . Now i want that when user will select value 1 from select box then person 1 first name , last name input type box will appear only one time in a row. and if we will select 2 from select box then two row will appear naming person1 and person2 like this: if we will not select any value by default is 0.then it will not show any row regarding person.

[Code]...

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How Onchange Event Of Select Box Will Work

Jun 23, 2009

I am trying to make one application. When we slect value from select box . It will show same type of row according to which value we select from select box.

Let me explain my problem: select box have value 0,1,2,3 . When we select 1 then it will show one row below the select box naming person1 name (input box for name of person1). if we will select value 2 from select box then it will show two row according to select value Like this

person1 Enter Name of person1
person2 Enter Name of person2

By default it have value 0 then it will not show any row below the select box.

i want to do this. But i do not know how i can do this . I think for this i have to onchange event in select box .But in correct way i do not know how it is possible.

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OnChange Event Extracting Value From Select Incorrectly

Jul 23, 2005

I am trying to extract the value from a selected item in a Select/Option, parse it server side using asp and then populate a text box on the same page with the value that was parsed. simple example below:

Two problems I have here:

1. The code: this.frmEditUser.Submit; does not appear to submit the form.
2. If I submit the form using the Submit button, it works except I get:

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JQuery :: Binding An Event To A Select OnChange?

Jul 14, 2009

Here is the html:

<select name="activities_limit" id="activities_limit">
<option value="5" selected="selected">5</option>
<option value="7">7</option>
<option value="10">10</option>
<option value="14">14</option>
</select>

And the jQuery:

$("#activities_limit").bind("change", function() { alert("value changed"); });

I am not seeing the JavaScript alert though.

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Trigger OnChange Event For Select Menu?

Mar 28, 2009

Currently I am using an onchange event on a select menu and it is working fine. But if the user uses any arrow keys the event will not trigger. Is there any way to do that?

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Dynamic Select Element: Problem With Onchange Event

Jul 20, 2005

For some reason my change() function is only called when the page loads. I'd
much rather it gets called when the select changes.

Here's the code:

window.onload = init;

function init() {
var new_select = new Selector('tdata','myselect','myid');
var new_select_list = new DataSource("some_list");
new_select_list.addItem(1,"One");
new_select_list.addItem(2,"Two");
new_select_list.addItem(3,"Three");
new_select_list.addItem(4,"Four");
new_select_list.addItem(5,"Five");
new_select.setDataSource(new_select_list);
new_select.formInput("form","input");
}

Selector = function(container_id,name,id) {
var container = document.getElementById(container_id);
this.node = document.createElement("select");
//this.node = new Select();
container.appendChild(this.node);
this.node.name = name;
this.node.id = id;
}

Selector.prototype.setDataSource = function(ds) {
this.dataSource = ds;
for(var i = 0; i < ds.items.length; i++) {
if(ds.items[i] != undefined) {
var option = new Option(ds.items[i],i,false,false);
this.node.options[this.node.options.length] = option;
}
}
}

Selector.prototype.formInput = function(form,element) {
var myform = document.getElementById(form);
this.input = document.createElement("input");
this.input.name = element;
//this.input.type = "hidden";
myform.insertBefore(this.input,myform.firstChild);
this.node.onchange = change(this);
}

function change(selector) {
alert("hello");
selector.input.value = selector.node.value;
}

DataSource = function(name) {
this.name = name;
this.items = new Array();
}

DataSource.prototype.addItem = function(id,item) {
this.items[id] = item;
}

and the html:

<html>
<head>
<script defer src="/javascript/selectors.js"
type="text/javascript"></script>
</head>
<body>
<form id=form>
<table border=1>
<tr>
<td>
Select:
</td>
<td id=tdata>
</td>
</tr>
</table>
</form>
</body>
</html>

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IE Bug: Onchange Event Not Called When Using <optgroup> In Select Drop-down

Jul 20, 2005

In a <select> drop-down, the onchange event isn't called when
scrolling through the dropdown using the mouse-wheel and when crossing
over a new <optgroup>.

Using the example below, notice how the onchange event isn't called
when mouse wheel scrolling between A3 and B1, but it works properly
when scrolling between A1 and A2.

E.g.
------------------------------------------
<html>
<body onload="document.forms['myForm'].elements['mySelect'].focus()">

<form name="myForm" id="myForm">
<select onchange="alert('onchange event');" name="mySelect"
id="mySelect">
<optgroup label="Group A">
<option value="A1">A1</option>
<option value="A2">A2</option>
<option value="A3">A3</option>
</optgroup>
<optgroup label="Group B">
<option value="B1">B1</option>
<option value="B2">B2</option>
<option value="B3">B3</option>
</optgroup>
<optgroup label="Group C">
<option value="C1">C1</option>
<option value="C2">C2</option>
<option value="C3">C3</option>
</optgroup>
</select>
</form>

</body>
</html>
------------------------------------------

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JQuery :: Select Onchange Event Get A Value From Selects Table Row

Oct 23, 2009

I have a table that contains a select element like so

<tr><td>key value in hidden input</td><td><select>options</select></
td></tr>
I need to set
$("selectclass").change(function() {
//Find the value of hidden input in 1st cell of row of the select
list that was changed.
});

So when a user changes the option of the select i need to get the new value the option has been changed to plus the value from the hidden input and submit them via ajax to a method on the server. How can i get the hidden inputs value?

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Event Listening In CKEditor - Draft Saver - Onkeypress Will Launch A Function Which Will Check If Timer Is On

Nov 27, 2009

I have problem with event listening in CKEditor. I searched these forums for answer, but I didnt found it.
I need someting like "onkeypress" on textarea for CKEditor. If I think well, I can must use "DOM" of CKEditor, because it is not simple textarea - but I am lost here. I really dont know how to do it. I need simple draft saver - onkeypress will launch a function which will check if timer is on. If yes, return false. If no, use ajax to save content of textarea.

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JQuery :: OnChange Event - Web Application - Each Blur Event Makes A Call Webserver To Store Value Of Textfield

Jan 21, 2010

I'm currently facing a weird issue with the onchange event. I have a web application where each blur event makes a call the webserver to store the value of the textfield. I only want to trigger that ajax call when something has changed, so i track the onchange event on each textfield to set a flag if something has changed.

The onchange event always fires to first time when i click outside of a textfield even if i didn't change anything in the field.

I narrowed it down to the following: A prefilled textfield always fires the onchange-event the first time you leave the textfield. An initially empty textfield does not fire the onchange event.

Sample code (IE 8 on Windows 7 computer):

script:

HTML:

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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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Php Is Not Function With Onchange Dropdown Menu

May 10, 2009

i need to display selected item from dropdown menu into text box. what i want to do is when user select the item it will display on textbox call programme (java script) and also when button search is click it will display the total number of particular programme (php). for now, selected programme is function but the other one is not.

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Selecting The First Option From Onchange Dropdown?

Jul 25, 2011

I have run into a bit of a logic problem, that I feel is fairly common.I have a dropdown list created inside a form with the following code:

Code:
<form name="chooseProv" action="" method="get">
Select a province:

[code]...

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Onchange To Fill Second Dropdown List Doesn't Work?

Apr 16, 2009

I have 2 dropdown lists which are connected to a mysql database. When I select an item from the first dropdown list the second dropdown list should show item which are linked to the item from the first list. But the thing is I can select an item from the first one, but the second isn't showing anything.

In the mysql database I have 2 tables: hesk_programma and hesk_projecten. In table hesk_programma there are a ProgrammaID and Programma column. In table hesk_projecten there are a ProgrammaID, a ProjectNumber and a Project column.

ProgrammaID from the two tables are connected to each other, so when I select an item from the first dropdown list with the ProgrammaID AK, the second dropdownlist should only display the items with the ProgammaID AK from the hesk_projecten.

Here is the code I use:

PHP Code:

<?php 
mysql_connect("localhost", "root", "");
mysql_select_db("bestellingen");
$query = "SELECT * FROM hesk_programma ";

[Code]....

By the way, one more thing. The ProjectNumber from the hesk_projecten table should be displayed (when selecting an item in the second dropdownlist) in a input text field.

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Trigger OnChange Event Without Event

Aug 22, 2006

Is there anyway to trigger an onChange event without actually clicking etc.

I want to trigger it from a method. It sounds silly but I'm taking some code over from another developer and if I could do this it would save me days of re-writing!!!

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On Dropdown Select - Show Dropdown

Feb 2, 2009

Ive searched this forum for a simple solution to this. I want have a drop down of countries. Only if USA is selected, it shows states, otherwise it is hidden. I have a function which is 'trying' to write the state dropdown to an empty span.

Code HTML4Strict:
<script>
function test(){
document.usstate.write("<select name='state'><option value='' selected>--</option><option value='New Jersey'>New Jersey</option><option value='New York'>New York</option><option value='California'>California</option></select>");
[Code]....

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JQuery :: Select Dynamically An Option In A Dropdown Select?

Aug 11, 2010

According to [URL] intended way for jQuery to change dynamically the selected option of a dropdown select control isassigningthe desired text instead of the value. I found this way veryinconvenient (data structures usually deal with value codes, not value descriptions) and it seems to work only sometimes.

Trying different options I came out with this approach that seems to do the job so
far:

function setSelect(pID,pSelectedValue)
{
$('#'+pID + ' option:selected').removeAttr('selected');

[Code]....

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OnChange Select Box?

Jan 19, 2006

How can I change a select list when a user enters a value into a text box? Like with the below form I would like to have the select box change when the user enters a value in the "id" text box that matches a value in the select box. Say the user types "1122" in the text box I would like the select list to change to to show "John". Is this possible ....

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Function With Onchange Event

Jul 23, 2005

I have an array with mysqls data. I have used this array with several text
box in a formulary.

My question is: How could i use the event onchange to make a function which
update the data of array when i would have change data in a text box.?

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