JQuery :: Update Select With AJAX Call
Feb 26, 2011
I have 4 HTML selects, ID'ed as "genres", "artists", "albums" and "songs". When you click on "genres", "artists" or "albums" the other selects should be updated through an AJAX call that does an sql query and respond back with JSON data. Sounds simple enough... but I can't get it to work. After just reloading the page, I can select a genre, and all other fields are updated, but then the other selects don't work any more.... as if jquery doesn't fire anymore when clicking on them.
This is my code
function updateSongs(JSON_data){
var song_options = '';
for (var i = 0; i < JSON_data.length; i++) {
[Code]....
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Aug 30, 2010
I am having a couple problems with what I am guessing is sequencing. I have several different events that perform a task and then refresh a portion of the screen using this code snippet: function RefreshComments(sID)
[Code]...
So this comes down to finding away to fire the javascript function only after the JQuery function has finished updating the HTML property of the DIV tag. I'm having a similar problem with a .post() command, and I expect whatever the solution is to this problem can be used to resolve the other as well.
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Jun 28, 2010
I am trying to call an external ajax function to exec the php script to update a table. It is somehow not working.
<html>
<head>
<script>myAjaxFunctions.js</script>
</head>
<body>
<button type="button" onclick="clearT1();">Clear TableOne</button>
</body>
</html>
/**** This is "myAjaxFunction.js *****/
var asyncRequest;
function getContent(url){
try{
asyncRequest = new XMLHttpRequest();
asyncRequest.onreadystatechange = stateChange;
asyncRequest.open('POST', url, true);
asyncRequest.send(null);
} .....
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Jun 16, 2011
I've seen a variety of implementations around that enable selecting all or no checkboxes by using a checkbox to toggle that choice. However, I'm trying to find a way like this: I have two text links on my page: Select All, and Select None. How can I get those links to call a jquery function to select all or select no checkboxes in my form? As a little food for thought:
<head>
$(function() {
//function for selecting all or none...is there a way to make a single function that passes in a parameter to differentiate between selecting all or selecting none, or do I need a separate function for both?[code]....
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Jul 19, 2011
I am trying to call a deactive_tiptip function from tiptip source code when partial updates happened.I want to call that function inside this code
function pageLoad() {
if (Sys.WebForms.PageRequestManager.getInstance().get_isInAsyncPostBack()) {
}
[code]....
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May 23, 2010
I have a select that is populated from a mysql database, and I have a text input that if your option isn't listed, you can add it and it should add to the table that is populating the initial select. And I want to do it all without reloading the page, which is where jQuery comes in. Now, I've managed to have the text input add to the database without problems and echo back a "success" statement using ajax(). But I'm kind of lost on how to tell it to reload the data in the select.
[Code].....
I think I need to do something on success, but I'm kind of lost for what I should do. I thought about using load() and just having another php file that basically replaces the current select with the same thing; but it would show the newer data having just been called, but that seems like it's a crass way to handle it. I feel like there should be a way to say "run that mysql statement again" on success but my google foo is failing me.
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May 11, 2007
I'm trying to update my page with either a yes or a no, I'm using Ajax for the request to the server. The request works perfectly, however when I try to update the DOM with the server response using $(this).text(response.waiting); and $(this).html(response.waiting);.
I've tried alert(response.waiting); and returns a valid response. So, the problem probably stems from the DOM.
$("#data a.waiting").each(function(i){
$(this).click(function() {
$(this).html('<img src="../img/loading.gif" id="loadwait" alt="Loading..." />').fadeIn("slow");
$.ajax({
type: "POST",
url: "waiting/ajax/",
data: "id=" + $(this).attr("name"),
dataType: "json",
success: function(response) {
$("#loadwait").hide();
$(this).show();
$(this).html(response.waiting);
}
});
});
});
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Jul 11, 2011
Environment is PHP - MYSQL When the user changes the value of a select drop-down, I want to use Ajax and query one table of my database, retrieve three pieces of data, and place the data in three separate text fields in my form. Is there a simple tutorial out there that explains this?
I get the general concept of the separate php file for the query, but I'm pretty much lost.
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Oct 4, 2009
I've created some jQuery which remove many tr rows from my table and inserts new via AJAX. This indicate that the page is scrolling because first the table increase after elements is removed and afterwards it grows when the new content is inserted. Is there a way to let jQuery update this table without doing so? Eg. by first refreshing the DOM after I finish my manipulation. Here is a bit of my code:
$j(".bookingViewRow").each(function() {
$j(this).remove();
});
$j.get('cajax.php', {}, function(html) {
$j("#bookingView").append(html);
});
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Jun 15, 2011
I am using jquery ajax to load a comment element when editing a participant. After submitting a comment the whole element is dynamically reloaded, including the script part. Which looks like this:
[Code]...
This works for the first time, but when I try to submit again, the script block is missing and the ajax doesn't work anymore. I have read that with "dataType:"html"" the script part is evaluated on load, but I don't want that, or do I? How can I disable that? With "text" or "script" it doesn't get better...
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Dec 14, 2010
The general framework is a simple user login function. The user name is selected and a password entered as usual. The function grabs the element values and passes them to a php page that queries the database. An AJAX call returns the password to the function and then I want the innerHTML to be a choice of two web pages, depending on success or failure of validation. There are existing AJAX functions available on the internet but they are overly complicated for what I think should be a simple, quick to load function.
Where I am stuck is that the standard procedure to make an AJAX call is the browser window event. How do you make the call from within the function? I have tried creating two new variables, "success" and "again" to replace xmlhttp, but still stumble on the event to assign a value. I left the blank password protection (if statement) with that variable to demonstrate what I mean.
I've put in my code below, which is in development and successfully alters the innerHTML text depending on user input but I can't figure out how to insert the relevant php page. I have '// out' the testing bits, but left them for info. (I have tried full 'scripting' as the innerHTML, but it's messy.)
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Mar 16, 2010
Im using keyup function to track text typed in input box. The idea is to perform incremental search in db. This works fine. After this I update the html dynamically to display the filtered resuts and at the same time I must dynamically rewrite the html for input box code. After this the keyup function is not working anymore, allthough the id tag is the same? How should I get around this?
$('#filterBox').keyup(function() {
$('#status').text(this.value.length)
if (this.value.length > 2) {
filter($.trim(this.value));
}
});
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Jun 17, 2011
I have a php function that list all of the countries from my database as a select option, then based on what the user selects for their country im using jquery to make an ajax call and get all of the states/regions for that country. This part works fine. I'm running into an issues, as when a user login's in to edit their profile, how would I make the select change based on what is in the databse.
[Code]....
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Jul 12, 2011
This jquery code pulls in an XML file, then passes the contents down to the nested POST call to add all of the records from the XML into a database table (which is handled by the saveSenatorRecord.asp file). This all works fine.. except that when the POST is called for "EACH" of the member nodes I expected the success: function to be called once after each of the records are added to the table. But what appears to be happening is that when function is called in the EACH property... it adds all of the records to the database table at one time, THEN it calls the success function once for each individual record.. but AFTER they have all been added.
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Jan 1, 2012
so, the pseudo code: - on change of input contents, check to see if two input fields are set - if set, update a third field with "loading..." text and a loading gif - use ajax to send data to a url, and get a calculated json response - update the third field with the calculated response
I know I'm getting the correct response, according to firebug: {"pace":"10:00"}
the code:
$('#run_distance').change(function() {
if ($(this).val() != '' && $('#run_time').val() != '')
{
$('#run_pace').val('Calculating Pace…');
[Code].....
how to update the #run_pace input field with the json response.
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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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Sep 22, 2009
I am trying to update the value of a hidden tax input based on the selection of a specific state from a dropdown, and am not having success.
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Sep 9, 2011
I want to call a method from java class using onchange in SELECT
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Oct 6, 2006
I followed the video tutorials on this site - pretty good. I'm now able to delete records and remove the tr on he fly. Im also able to insert a new record i my db, i the background. But how do i update my page so the post shows up? Code:
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Aug 29, 2011
I have the following code which populates a combobox from an existing select field and then makes an AJAX call to a JSONP feed. This is all working and the dropdown list is populating however when I place the following code inside the AJAX call the combobox select function is not fired when the item is selected.
Code JavaScript:
return $("<li></li>").append("<a>" + item.label + results.id + "</a>").appendTo(ul);
[code]....
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Sep 5, 2009
I want to know how I can update my power_points field if a select option is chosen.
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Oct 18, 2009
I am creating a form. The form uses variable to show different divs. Like for example .
If the user chooses state where tax will be implemented than it will update the div which contain total amount. Now the problem is I have 3 divs on a page and I want to update all of them accordingly. Like user select quantity as 500, state as florida. So I need to update 3 divs .. total cost, Shipping cost and quantity divs. Problem is they all r not inside a single div else I would have put tht whole div inside the response. So is there a way to update multiple divs?
Below id the ajax code I am using ..
Code:
function update_dockcontent() {
var quantityval = document.HVAC_Cards_Form.Quantity.value;
var BillingZip = document.HVAC_Cards_Form.BillingZip.value;
var url = '[URL]'+quantityval+'&BillingZip='+BillingZip;
if (window.XMLHttpRequest) {
req = new XMLHttpRequest();
if (req.overrideMimeType) {
req.overrideMimeType('text/xml');
} .....
Code for ajaxcall page is:
Code:
<?
header("Cache-Control: no-cache");
header("Pragma: no-cache");
$total=($_GET[qval]*0.50);
$shippingrate="50";
if($_GET[BillingZip]) {
$total=$total+$shippingrate;
}?>
<p>Total Quantity: <strong><?=$_GET[qval]?></strong></p>
<p>Shipping: <strong><?=$shippingrate?></strong></p>
<p>Total cost: <strong>$<?=number_format($total,2)?></strong></p>
I want to show all 3 of them in different divs.
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Mar 12, 2011
I have a div which contains dynamic content populated with AJAX (user has two select boxes to filter query results)However when filtered results extend past the initial height of the div in question, the div remains the same size and the results overflow out of my content area.I added a surrounding div with id of "limit" around the div that needs to grow and shrink ("resultsdiv"), but this didn't work; it ended up cutting off search results instead of growing the div (I also added position: relative; and overflow: hidden to my stylesheet, as suggested on the jquery website).
The animation is not important, this would work fine with .css({...}), but I thought it would be cool.At any rate, if this is supposed to work, my first question is: WHERE do I put this script? I've placed it outside of the query and outside of both divs (no luck). I've put it IN the div/query loop, but no go. I've even (just for kicks) put it in my ajax query file, but nothing.
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Sep 26, 2010
i am trying to update user list from database using javascript/AJAX ...but no luck ..working on this more then 5 days and cant do it
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Feb 15, 2011
I have a form that contains multiple textboxes and that are labeled based on their location in a table (ie. 0,0 0,1 1,0 1,1, etc.).I want to use a javascript that will automatically update the value of that box into a database when that textbox is left (onBlur).How can get I get the name of the textbox that the user was just on? with that i can grab the value and go from there, but i don't know how to get started here...This is the basics of the form I'm using...
<FORM NAME ="updateAssignmentMarks" METHOD ="POST">
<input type="text" onBlur='jsupdate(this.form)' name="1,1" value="999" />
<input type="text" onBlur='jsupdate(this.form)' name="1,2" value="888" />
[code]....
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Mar 16, 2011
I wrote the following code with Dreamweaver:
If I run it in Dreamweaver It works and the alert success is raised, but If I run this code into Safari or Chrome the Error alert is always raised.
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