JQuery :: Getting A Return From .ajax Function?
Nov 14, 2011
I'm trying to make a call to .ajax and as a result set a value in a hash (for another call to jquery-ui)
I get the data coming back fine, could put in in a text field in html but not the hash where I want it.
Here below are the parts of my code that I'm using
//setting up datepicker
$(courseStartDateHtmlId).datepicker({
.....
defaultDate : ($(courseStartDateHtmlId).val() != "") ?
[Code].....
I thought that the value of startDate would end up as the defaultDate param for datepicker. No luck. Only an obscure little message in firebug console: "missing: before statement"
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Jul 17, 2009
I am attempting to use the return value from a nested ajax function as the value for a variable in its parent. However, despite being able to successfully assign the variable within the nested function, it reverts back to its original value after the child function has terminated. Below is the code:
[Code]...
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Jun 23, 2009
I'm not too good with programming, but I'm trying to get my feet wet with some nice little AJAX tools. I have some things currently working, but I'm trying to re-write the code so I can reuse these modules for a number of functions....As of now, I have a function that returns XHR requests [ ajaxRequest(){} ]. I am calling this function inside an XML Parser called [ ajaxParser(){} ]. Once that's created, I have the following code:
Code:
xmlDoc = new ajaxRequest() xmlDoc.onreadystatechange = function(){
if (xmlDoc.readyState == 4){
if (xmlDoc.status == 200){[code]....
At this point, I want the function to return an object that holds all the XML Node names, lengths, textContent, etc. I would like to be able to call this in any other function I write and begin traversing the nodes there. Something like root = new ajaxParser(file.xml);I tried "return parentMenuList;" except the length return is undefined. What I see in the DOM inspector is an object called root (with no other properties to it).
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Jun 9, 2011
I've been racking my brain for a couple hours now and doing a lot of searching and I cannot seem to find an answer. I want to know if it is possible to return the xmlhttp.responseText value from an AJAX function to the function that originally called the AJAX function.
Code:
//Set handler for server response.
xmlhttp.onreadystatechange = function()
{
[Code]....
I want to return the my_response variable to the original caller. No matter what I try I have been unsuccessful. I even tried assigning it to the global window variable using window.my_response = xmlhttp.responseText but it ends up being undefined.
Every example I've seen of using AJAX pretty much does something inside of the if (xmlhttp.status == 200) part to update the web page. I really do not want to do that.
Can I return the value?
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Dec 6, 2010
I am having a problem of calling the user defined JS function after I make the AJAX call. Basically, I created couple radio buttons on the main html page. When the user clicks on one of the radio button, it will trigger the AJAX call and return another html file in the "div" content that I set in the main html page. The other html file contains a user defined JS function (e.g. "updateContent()") which use the onclick event handler to call the function. When I'm running the app, and click on the button. I had seen the firebug was complaining the "updateContent() is not defined" error. The function itself works fine and must be defined properly.
Here is the code in the main.html page:
Code:
<script type="text/javascript">
var asyncRequest;
function getTools(url){
try
[Code].....
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Dec 6, 2010
I am having a problem of calling the user defined JS function after I make the AJAX call. Basically, I created couple radio buttons on the main html page. When the user clicks on one of the radio button, it will trigger the AJAX call and return another html file in the "div" content that I set in the main html page. The other html file contains a user defined JS function (e.g. "updateContent()") which use the onclick event handler to call the function. When I'm running the app, and click on the button. I had seen the firebug was complaining the "updateContent() is not defined" error. The function itself works fine and must be defined properly. Here is the code in the main.html page:
Code:
<script type="text/javascript">
var asyncRequest;
function getTools(url){
try
{
asyncRequest = new XMLHttpRequest();
[Code]..script type=
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May 21, 2010
I have researched this error/bug/mistake thoroughly with no success. I must be the only one experiencing it. Also, this takes place on every site I develop with jQuery ajax. It happens regardless of whether I use .get, .post, .ajax etc. Problem: The result returned to my ajax function always has a zero (0) appended to it.
[Code]
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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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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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Mar 26, 2010
I am writing a contact form using jQuery AJAX POST and PHP. The form works well and sends the email. What I want to know is how to get the return values for error and success on the same page where the contact form is rather than having the message go to another page. I created a DIV called statusBox, and I would like all the messages printed there. Below is the fragment from the jQuery side. What do I need to do on the PHP side to get the values back?
[Code]....
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Dec 21, 2010
I've got an ajax call that runs a password verification. The username/password work fine but I can't get the php to send data to to the AJAX, instead it just echoe's the result in an alert box code...
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Aug 25, 2011
Based on a simple AJAX way, I can run a php process and return the result by this line Code: xmlhttp.open("GET","getuser.php?q="+str,true); There is another method using jQuery (e.g. in [URL]). But here, it shows a predefined message in these lines
Code:
//hide the form
$('.form').fadeOut('slow');
//show the success message
$('.done').fadeIn('slow'
How I can return the output of the php script within AJAX instead of this message?
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Oct 15, 2010
[code]....I have 2 DropDownList, like Master-Slave.This is my Default.aspx:
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
[code]....
but there is nothing to append. Also I see the response in firebug windows as following(when I Select G2 from Master ddl):
[{"Value":"G2s1","Text":"SV1"},{"Value":"G2s2","Text":"SV2"}]
And for more specific view the following pic is the JSON tab in firebug windows when I select G3 in Master ddl:I change my success method of script with this new one for test:
function SuccessHandler2(data) {
$('select#Slaveddl').empty();
$.each(data, function (i, slaveValue) {
[code]....
So I think there is a problem with manipulate of return value (data).Also I try this one and just the first alert appear, apparently the (data.d) is null or unknown object:
function SuccessHandler4(data) {
var selection = $('select#Slaveddl');
$(selection).children().remove();
[code]....
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Aug 7, 2009
i've got a function which makes a call to the database( via jquery $.post) to check if a username already exists. All the data I get back is fine and both the conditional statment works as intentded. I just can't get the function to return a value to the other function that calls it. Could this be something to do with the scope.
Code:
function checkIfUsername(o)
{
$.post(""+CI_ROOT+"index.php/admin/check_if_username",{
username: username.val()
}, function(data){
if(data.bool == true){
[Code]....
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Sep 15, 2010
Im just getting started with Jquery, and now i have a little problem. I tried to search several solutions but none of them seems to work.
[Code]...
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Nov 23, 2010
I am calling an AJAX function from a certain method, but for any reason it does not return the result.
The JSON object is "Records". The URL is build within another method and properly passed (as I can see in Firebug)[code]...
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Aug 24, 2009
Is it possible to return Query results from a jquery $.ajax POST call?It seems as though it will only return one value. What am I missing? [code]
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Aug 1, 2009
I am currently trying to get an action on the click of a link, and not make it follow the link, just carry everything out in jQuery. Now, if the AJAX request isn't there, it will work as supposed too, but with the AJAX request, it will follow the link, not taking any notice for the return false.
[Code]....
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Dec 8, 2009
I need to return a string of JS from my php file. In my ajax.php file these are the last lines ($js is a string of js generated dynamically, it works as its calling a function I'm using at the load of the page): $js = getData($day,$the_vote);
[Code]...
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Sep 22, 2011
I'm implementing theStar Ratingplugin. Star rating is called like this:
$(function(){
$('.stars').rating({
callback: function(value, link){
$.ajax({
[Code]....
After a star is clicked the form is submitted and processed. "rate.php" returns an integer from 1 to 5 with the new average rating. So far so good, but I'd like to update the Star radios with the new value and disable them after the form has been processed.
It seemed easy enough:
$('.stars').rating('select', data);
$('.stars').rating('disable');
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Nov 30, 2010
So I'm currently working on a ASP.NET Webforms site and I've run in to a small problem. On my .cs file I have the following Webmethod
[WebMethod]
public static string IsJobEditable(int jobid){
try{
string isEditable = "false";
JobsBLL jbl = new JobsBLL();
int jobStatusId = jbl.GetJobStatusId(jobid);
//If the jobs is either waiting or being edited it is
okay to edit it
if(jobStatusId ==
Convert.ToInt32(ConstantsUtil.JobStatus.Waiting) || jobStatusId ==
Convert.ToInt32(ConstantsUtil.JobStatus.Edit)){
isEditable = "true";
}return isEditable;
}catch (Exception ex){
throw ex;
}}
This function in this case will ALWAYS return TRUE as a string. On Aspx page I have the following
$(function () {
$.ajax({
type: "POST",
url: "Coordination.aspx/IsJobEditable",
data: "{jobid:" + jobid + "}",
contentType: "application/json; charset=utf-8",
dataType: "text",
success: function (result) {
alert(result);
//This is written out in the alert {"d":"true"}
I want this in a variable as a string so I can do a check on it before I do some other actions. The format is not a String so I cannot split on it to retrieve the "true" part.
},
error: function (err, result) { alert(err); }
});});
As you can see in the comments the value I get back in the Callback method is in to me a weird format. The type is unknown and I need this value to be able to proceed with my entire method surrounding the small portion of the Javascript. Where to access the result variable / data as a var or anything else that will let me put it into a var (as a string).
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Jun 19, 2010
im trying to learn how jquery ajax function works by validating some form after submit is clicked.
[Code]....
the alert didnt pop until i added the registration_ok = false; right before, so im assuming it has something to do with the ajax functions's scope.... why does the ajax function not affect the registration_ok variable outside the function? and how should i solve this problem? any better way of doing it?
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Jun 3, 2010
as I can return a second value of the autocomplete function?
the script
<script type="text/javascript">
$("#nombre").autocomplete("<?php echo base_url()?>transportistas_controller/autocomplete_partidos");
$("#nombre").blur(function(){
[Code]....
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Apr 1, 2011
I wonder how I can get a return value from a JavaScript function to a jQuery function. I have dynamic divs that creates each time I push a button and I want to retrieve the new div ID in my jQuery function sow I can get my date pick to drop down.
javascript function to retrieve the new div ID
function currentCustomerDivName()
{
[code]....
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May 6, 2009
If I have this:
$.post('/admin/duration', $str, function(data){
var jsonData = eval('(' + data + ')');
return jsonData.TIME;
});
How do I get the return value from the function to use afterwards? I know this must be simple. I'm just not seeing it.
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Sep 30, 2010
I have some problem using the $.post function. I wrote a function that test if a username is already used in my database. That function must return true if the username is free and false in the other case. My problem is that I use the $.post function and I put the return true; and return false; in the callback function. So it's the callback function that returns true/false instead of my function !
Here is my code :
function validateName(){
$.post("ajax_is_name_used.php",
{name: $form_name.val()}, function(data) {
if (data.success == 1) {
$form_name.addClass("error");
return false; // Problem, we are in the callback function !
} else {
return true; // Problem, we are in the callback function !
}}, "json");}
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