JQuery :: Populate Inputs From Ajax Call?
Feb 10, 2010
I'm trying to create a function which sends a ajax call and checks a database for entries. If the number sepcified is found in the data, jquery is to populate some input fields with the result.
Example: I looking for 210 and the database found a user with this number, then the ajax returns some information like name, address, postal and city. I created a database call which in a php file created a array with the result: $user[] = array('name' => $row->name,'address' => $row->address,'postal' => $row->postal,'city' => $row->city); Now I can't figure out how to return this array into the jquery function and populate the right html inputs.
[Code]...
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Feb 25, 2010
I have a select field. I must fill with options taken from a mysql table.Here is some little php code I have done using codeigniter framework
$idcateg = trim($this->input->post('idcategory'));
$array1 = array(
'result' => $idcateg
);
echo json_encode($array1);
Now, the jQuery call...
$.post("<?=base_url()?>index.php/rubro/list_ajax/", {
'idcategory' : idc },
function(data){
[code]....
The code works fine. When I call the post, I get the categoryid as a result.Now, I should modify the code above, so I can do:post the ajax call sending the category id. this is done get subcategories for this category, and build the array * json_encode the array and echo * get results back in jQuery ajax call, decode and build the < select > field *The array should be built with each element having a sub-array with id and name, right?
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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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Aug 15, 2010
I am using Javascript & PHP to populate a select list. The Ajax is working perfectly as I have tested it. However, as you can see from the below code, I have a button which adds more rows (which includes 2 select lists and file input) to a table.
When I click Add Row, the row is added perfectly and both select boxes along with the file field are shown as expected. The problem occurs when I select a value from the "room_name[]" box - there are no values returned inside the "album_title[]" select box. It doesn't seem to be triggering the onChange event.
code JavaScript:
function addRow(tableID) {
var table = document.getElementById(tableID);
[code]...
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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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Jul 15, 2011
I have a drop down selection menu, and I need it to populate an additional drop down menu. Basically a chained set of drop down lists. Below is my current code:
Code:
<script language="javascript">
function Inint_AJAX() {
try { return new ActiveXObject("Msxml2.XMLHTTP"); } catch(e) {} //IE
try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch(e) {} //IE
try { return new XMLHttpRequest(); } catch(e) {} //Native Javascript
[Code]...
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Apr 13, 2011
how to get a drop down box to populate using a value from a text box with out a page refresh.
I can get a value from a drop down box to populate another drop down box, but can't quite figure out how to get text value to populate a drop down menu.
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Mar 2, 2011
[URL] Refer to the link, using the sample, I'm able to use php ajax to populate 1 text box which I've already pre-define (not using "echo '<input type='text'..") -- the info came from a table
e.g.
Search: [jo ]
Name: [John doe]
sql
---
select name from customer where name like '%jo%';
[Code]...
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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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Sep 4, 2010
I am absolutely newbie to Ajax and I need to have this fixed by tomorrow as I have a project to complete so anyone
[Code]...
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Mar 31, 2009
I have a situation where I need to populate form fields by grabbing information from a database when the user enters information in a specific field. I got this to work with a single field just to make sure I had the basics in place:
* User fills out "Field A" onchange event triggers Javascript function that uses Ajax to search and retrieve info from database (PHP/MySQL) Javascript function autofills "Field B" with Ajax response
Works perfectly. My trouble is that I need to do this with a whole series of fields at once, not just one. I tried using the PHP to output a Javascript array and then use the values from the array to populate the fields, but that didn't work. I got a message saying that my array was undefined. I'm not even sure this was the proper way to approach this, but it's all I could think of.
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Jul 21, 2009
I'm trying to populate a triple dropdown menu based on Roshans code The first dropdown populates the second one fine but when I clidk on the second it populates itself instead of the one below! I thought at first it was a simple problem with the element ID its not and I can't figure it out.
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Jun 29, 2011
I'm trying to populate a form with information from a database based on a textbox entry. However, when I begin to key in the textbox I receive "undefined" in each textbox throughout the form.
Take a look at my code for any errors? It also appears that my $_GET['jobid'] is not working properly.
And here is my php:
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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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May 10, 2011
My goal is to get some HTML content including some UI widgets and other stuff via an ajax call. To clarify my goal and the strange behavior, I attached some HTML files, that you can run for yourself. Open the index.html will show you some UI widgets, which are pulled from the ajax.html via ajax. When you scroll to the bottom you can see the same content inserted a second time. But this time, the widgets are not "rendered". It looks if the "button()" calls etc. are not executed.
The only difference is the way I insert the result of the ajax call. The first time I insert the hole content received by the ajax call, the second time I only insert the content of a special div. The goal in this is to get various chunks of content with one ajax request and replace "div#one" and "div#two" with different parts of my site. Which is not working. Is it generally okay to receive html content which has some script parts to be executed via ajax and what is wrong with my second approach?
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Aug 9, 2009
I'm currently using the dialog functionality (modal form) from UI library to submit data to the database. All the validation checks have been running ok until one of the validation checks requires a ajax call to check if a username exist in the database. I'm fairly new to both javascript and jquery so this could be a fairly basic blunder. Initially, i thought it was an synchronicity problem, but I changed the $.ajax async option to true but still no joy, so maybe it something to do with scope etc?
Here's the code:
function checkIfUsername(){
$.ajax({
type: "POST",
url: ""+CI_ROOT+"index.php/admin/check_if_username",
data: ({username: username.val()}),
async: false,
dataType: "json",
success: function(data){
returnUsernameBool(username, data);
}});
}function returnUsernameBool(o, data){
if(data.bool == true){
o.addClass('ui-state-error');
updateTips("Your username must be unique");
alert('false'); //this works
return false; //still can't return bool
}else{
alert('true'); //this works
return true; //still can't return bool
}}
bValid = bValid && checkIfUsername(username);
alert(bValid); //still gives undefined
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Sep 6, 2009
I am trying to set an html attribute after an AJAX call. Works great on the initial tab I can't get it to work on the rest [code]...
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Jan 25, 2011
Is it possible to get a return value from a page call within an ajax call? For example,
$("#new_request").click(function(e){
$.ajax({
url:"_insert_new_request.php",
type:"GET",
[Code]....
Here I make an ajax call from a click on a div. I then call "_insert_new_request.php" page, with a param of "partner_id_link".
Can I return a value from the "_insert_new_request.php"? and how?
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Jul 6, 2010
I am planning to use an AJAX call to a PHP script that accesses a REST servlet. My php script would be very simple; something like:
[Code]..
I'm an experienced programmer, but I'm fairly new to web development, so I am having trouble interpreting this error. What have I done wrong? Is this the proper way to call a PHP script with AJAX?
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Apr 9, 2011
I have a page that creates one unordered list from the contents of another list. The second list is created from a database query and is hidden on the page. I have written a JQuery function shown below that does an AJAX call which causes the hidden list to be created and that is working perfectly. The problem is that when the code following the AJAX call is executed it doesn't see the hidden list. The alert message displays 0 the first time. clicking on the Load button a second time results in the first list being displayed. If I click on the Load button a third time, the previously loaded list is displayed; click on a fourth time and the new list is displayed.
In other words, it takes two cycles to display the correct list. I am at a loss as to what might be the problem. Other than this issue the code does what I need it to do.
$(function() {
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Oct 15, 2010
Strange behaviour: User enters text into textarea - text includes URL with protocol e.g. [URL]. JSON call fails with 403 forbidden. It seems the the serialised content is being interpreted as a cross domain call (my guess). Any other text works - Even if the user enters "http://www.u", but as soon as the input qualifies as a url, I get a 403.
The code extract:
var formText = $("#contributioncontrol").serialize();
$.getJSON('[URL]',formText, function(response) {
if (response.ERROR != true) {
var output = response.HTML;
$(output).hide().prependTo("#results").fadeIn("slow");}
}
If the user enters http://www.url.com in the textarea on the form then The request looks like this: [URL]. The '/' chars in the line above are replaced by% 3 A % 2 F % 2 F (without spaces - Don't know how to stop browser interpreting the encoded stuff).
And the response like this:
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>403 Forbidden</title>
</head><body>
<h1>Forbidden</h1>
<p>You don't have permission to access /API/createcontribution.php on this server.</p>
<p>Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.</p>
<hr>
<address>Apache mod_fcgid/2.3.5 mod_auth_passthrough/2.1 mod_bwlimited/1.4 FrontPage/5.0.2.2635 Server at www.mysite.com Port 80</address>
</body></html>
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Jul 5, 2010
i have a set of select fields, which when selected, send a value via ajax, to return a sub-selection for further choice. I have 3 levels of sub-categories like this. For some reason it works in FF only - not IE. [URl]..
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Feb 16, 2011
I am using an ajax call when clicked on a link... It asks whether you want to continue or not and if you say "ok" then it uses a perl script to delete something from the db.[code]So I was able to call confirm on each of those links and if agreed use an ajax call to a perl script to wipe the user from database. The thing is that I had to usereturn false; in the end of my js call (after ajax) otherwise the link would take me to the script, which I dont want to. I want to remain at main level (to be able to see all users)... Now how do i refresh the page after such deletion? Lets image this scenario:
User clicks on link_to_delete Brad => confirm => he confirms by clicking ok => ajax call to perl script that handles the deletion of Brad => return false (I want to remain at index.pl) => HOW DO I REALOAD INDEX.pl ? I deleted Brad but I can still see him cause the page has old data.
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Nov 16, 2010
I need to append a parameter during an ajax call: I was thinking about something like below:
The problem seems to be with the ajaxSend parameters. It seems that I cannot modify none of them:
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Mar 29, 2011
I'm having problems with jquery and checkboxes..I've been trying and debugging for some time now, but I can't fix it.This is my current code:
[Code]...
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Dec 2, 2010
How know that for ajax call to different domain applies the same domain policy, but is there anyway to get around this using the cluetip plugin?
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