JQuery :: Binding Data To A Drop Down List
Sep 25, 2011
This is regarding binding data to a drop down list. I am getting the data from the server and binding the data to a drop down list using JSON and JQuery. It is working fine for around 400 items, but when i need to bind the drop down with around 600 items i am getting the below error
Stop running this script? A script on this page is causing Internet Explorer to run slowly. If it continues to run, your computer may become unresponsive.
The code i am using ot bind the drop down is as below
$.each(data, function (index, city) {
comboCity.append(
$('<option></option>').val(city.CityID).html(city.CityName)
);
});
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Oct 7, 2009
i am currently working on aptana studio nokia wrt plugin to develop a mobile widget where i need to retrieve data from database. i've created a java servlet in eclipse to connect and execute query to the ms sql server 2005 database. in aptana, i am using js file and html file, i'm able to connect to the servlet to retrieve and process the data (split the data) into an array and display the retrieved value (array) on screen. but now i need to put the retrieved value (array) into a drop down list for selection, how could i do that?
for the drop down list, i cannot define the list, it need to be able to read from the servlet as the database is updated, it need to reflect.
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Jul 28, 2010
I am trying to create a drop down list which depend to the value selected from the previous drop down list. I can add it without problem, but If I change again the value of the first drop down list I would like to remove the previous drop down list generated from the first value. If I try to remove it when I create the element, it even does not create the element, the remove element function seems to work because when you click on the remove link it works.
[Code]...
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Oct 25, 2011
I am asking jQuery to tell me which drop down option is selected in a drop down list - like this:
I would like to check if this was successful before I proceed. What are the possible return values for this statement?
If no id exists.
If no option is selected.
If some other problem occurred.
In these cases am I expecting a null return; an undefined return, a false return value?
And, based upon the complete set of return possibilities, what would be the best and most comprehensive tests I could apply to cover every base.
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Jul 23, 2005
I've created an XML-RPC server, and would like to somehow bind the XML
server responses to a table for users to view. Here's the catch, that data
changes frequently (every few seconds), so I'm using setInterval to
periodically get updated XML content from the server.
Currently, the setInterval function requests the entire dataset, then
rewrites the entire table. I'm concerned that it's a waste of bandwidth,
and disrupts the user scrolling through the data whenever it rewrites.
Ideally, I'll have the XML-RPC server generate only data changed since the
last request, then somehow update the table with the changes.
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Jun 9, 2009
I have a page that displays a list of people playing in a tournament. I need to be able to generate a Leaderboard based on which players are manually selected by the admin. Next to each person there is a drop-down list. An admin can go in and select a "slot" that a player should be in on the leader board from 1 to 8, or leave it blank if none. What I need to figure out how to do is the following, when a change event happens on a drop-down list, and say the value 5 is selected, I need to check to make sure that 5 is not already selected in one of the other players drop-down lists, in other words, that the 5th leaderboard slot is not already full. if it is, display an error message and make them change that one first. how to do that with jQuery? I'm thinking it will have something to do with the each() function, but not sure exactly how the logic should work.
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Aug 2, 2011
I have a table that has parts with multiple characteristics. Part Number, Height, Width, Capacity, Price, Etc. I would like to have a drop downs for all of these values, when a user selects one of these values it will filter the results into a list. Ex. user selects a part that has a Height of 6 and width of 10 it will only list those parts. As I said earlier, I have a script that will give me all the parts, however I am not able to make the onchange list parts with multiple values.
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Jul 13, 2011
I have been struggling on a bit of code for a while now. I need to populate a second drop down list (Region) based upon the selection of the first (County).I have found a piece of code that works on its own and have adapted to suit my needs - see below. However, when I drop it into my main page the javascript is not working. It's because of the formObject but I just don't know enough to resolve this! Furthermore, I need the textboxes the user has already completed in the form to retain their value once the javascript kicks in as the completed form will submit to a database.This piece of code is working well . . . .
<?php
$link = mysql_connect('myhost', 'myusername', 'mypassword') or die('Could not connect: ' . mysql_error());
mysql_select_db('mydatabase') or die('Could not select database');[code]......
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Jun 12, 2010
The last two lines of the following code is not setting the value of the selector unless i debug it within firebug. when I set a breakpoint on those two lines it shows the val in the parentheses and it will set them correctly, but if I do not debug the script then it doesn't set them.
populateLists: function(executionLevel, contractor, program) {
var _chart = this;
$.each($('select#contractor option'), function() {
if ($(this).val() != "all") {
[Code].....
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Jul 6, 2004
when i try to add a data from popup list box to parent window listbox it pops an error.
Servlet threw an exception. This is my code
var optionvalue=thisForm.behaviourname.options[i].value;
var len=window.opener.document.FormMaterialDetail.inparameterid.options.length; window.opener.document.FormMaterialDetail.inparameterid.options[len] = new Option(thisForm.behaviourname.options[i].text, optionvalue);
Is the above code right?
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Jun 30, 2009
I've been beating my head against a wall for a few days trying to get this working. I'm trying to create a dynamic menu where a user selects one item and another select list is shown, then another and another (and so on). Here is my JS, it *should* be taking the ID of the div, comparing it to the selected value and then showing another div by settings it's class property to visible:
[Code]...
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May 10, 2010
I'm a newbie. I have just working with jQuery for 2 hours. For example I have a drop down list like this:
<select>
<option>Fruit</option>
<option>Color</option>
</select>
If I select Fruit, another drop down list appers and give me some selections:
<select>
[Code]...
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Oct 7, 2010
I need to populate a drop down list from sql server via jquery.I'm unfortunately unable to use any server-side type coding
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Jun 30, 2009
i have a couple of elements on my web page, that i want to manipulate in one loop.
jQuery.each($(".specificClass"), function(i) {
// do something
}
Within that loop i have to check what type of element that very one is e.g. a <div> or a <span> or an <img> or a <input type="button"> or something else.I managed to isolate some of them, the easiest was the button where i checked the following:
if ($("selector").is(":button")) {
// do something
}
In the jQuery API 1.3.2 there are some more useful Forms Filters like :input, :text, :checkbox etc. What i really miss is something for a drop down list. I would have expected that there is something like
if ($("selector").is(":select")) {
// do something
}
but i could not find it.It would also be great to have something to check if the element is an image. I have read that there exist such a check, but that is for images that are input-images within a form. I am longing for a simple check for an image somewhere in the web page.
if ( !isNullOrEmpty($("selector").attr("src"))) { // --- image ---
// do something
}
[code]...
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Aug 11, 2009
I have a DropDownList (id: DropDownList1) i want to get the items length by Jquery, but it not work, always return 0. My temporary solution is using classic javascript to do it, below is the code.
[Code]...
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Jun 1, 2010
I've created a drop down list as below:
<select name="declinereasons" id="declinereasons" onchange="declinereasonsChanged();" >
</select>
And on some event I call the following function to fill my drop down
function fillDeclineReasonList() {
$.getJSON('<%= ResolveUrl("~/myurl/")%>', function (data) {
ReasonCollections = data;
[code]....
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Oct 20, 2011
I am having trouble getting the selected option in a list of more than 20 items in sharepoint, The code below works for lists of 20 or less but not for lists of greater than 20. If any one has a snipet of code that will enable me to set a variable with the selected value from a complex dropdown it
[Code]...
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Jun 29, 2011
The page I am building has 4 columns on it and I want the selected value ofa drop down list box to control the number of columns that appear on the page.
[Code]...
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Jan 8, 2012
how to copy an input field to an input field using a check box, what I want to do is copy data from an ID that has been populated with data using ajax and then select which data I want to copy depending on the drop down option selected. I can get the drop down box to alert the same data back that I want to copy but I can't display that data inside the input field.
step by step:
1. search for data with ajax and populate ID with data
2. use drop down box to select data to copy and copy it to input field
Tutorial I read
HTML CODE
This is the ID that already has data retrieved using ajax.
<tr>
<td width="18%">
Last, First
</td>
[Code]....
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Feb 25, 2010
iam trying to use 5 drop downs in my form for user to select languages and each select drop down should not allow the user to select the same language again and all my drop downs are populating individually from the DB on the page so if "English" is selected for "dropdown 1" then again "drop down 2" should not allow "English" to be selected.
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Aug 24, 2011
I am using an xml file to pull in data to jqm. I am appending the first and last name to a listview. (I am working with Datazombies example for the a-z index contact list from the iscroll git hub). How would I specify where to append ie, if the lastname is Adams (or anything that begins withletter A) Adams is appended under the listdivider with ID of A.
<script type="text/javascript">
$.ajax({
type: "GET",
[code]....
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Sep 6, 2011
I am trying to use jquery, json, ajax to display data in a list.
The js:
The div to hold the returned data:
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Jan 25, 2008
How can I create a Javascript drop down list File? I want to have a webpage that contain a dropdownlist. But i want the items and values of that drop down lists to be stored in a seperate javascript file, So that my webpage call that JS file whenever user click on the DDList.
Basically what i am interested in is to place all my drop down list Items manually in the javascripting file and then on the main page there will be links from alphabet A-Z so when the user click on alphabet A the dropdown list will only show the containing items start with alphabet A....
Hope this makes sense!! The reason why is because there is a long list of items and i dont want to put them inside my page.
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Aug 3, 2006
I would like to use a control on a WebForm that acts like an editable
DropDownList control. The user should be able to select a value from
the list of choices, or type in a new value if no predefined choice is
applicable.
It doesn't appear to me that a DropDownList control is editable.
How would you suggest I accomplish what I want to do?
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Jul 20, 2005
I have what I think is a fairly simple problem, but I cannot figure
this out. I have a SELECT object on my page. When the user performs
a certain action, I want the focus to be placed in the drop-down field
AND the actual list of drop-down objects to appear (i.e. simulating
that the user has clicked in that field). Ideally, of course, the
currently selected entry should be highlighted. Listed below is a
snippet of sample code. If the focus is currently in the text field
and the user clicks on the "Test" button, I would like the entire
drop-down menu to appear. I have not had any success with the
"fireEvent" method or the "click" method (only "focus" seems to work). Code:
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May 16, 2011
Hello i use a javascript to use drop down lists so i display the appropriate products to user.Atm no matter the user option i display 3 drop down lists in whole products.Lets say the drop down lists are like manufacturer/order by/sochet.
When the user wish to see "processors" then the sochet list have values,but when he choose "printers" the sochet list is empty since the printers dont contan sochets.In this case i want to hide the sochet drop down list in order to be more familiar to the user is that possible?
My js looks like this
<script type="text/javascript">
function showUser()
{
[code]....
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