jquery-ajax

codeigniter and ajax help

I have a form that has sections hidden until, the correct piece of data is submitted. I am wanting to do this through jQuery and ajax. I was hoping that I would be able show the next element on the form if the last piece entered into the database ok, currently my controller looks like this, function add_career() { $data = array();...

Simplest jQuery, PHP, AJAX, and sqlite example?

I'm having a really difficult time understanding how this all works together. I've fiddled for a few days with this and have been unable to come up with any results. I'm trying to fill in a text field in a form, and when the form is submitted, I want to add the text to my sqlite db using ajax. I understand that you need a $.get call in...

Using jquery $.get to call an external web service

I am calling the following jQuery code on page load to test the concept of calling an external web service from the client. The data object in the success callback is always empty. What am I doing wrong? $.ajax({ url: "http://www.google.com/search", type: 'GET', data: { q: "green tea" }, success: function(data) { alert(...

How to avoid memory leak when refreshing data via JQuery?

Hello guys, I've tried all methods found in this topic but couldn't find a definitive solution that would stop this problem. In the following code I've set up a timer to resend a form via jQuery at every 10 secs updating a table ("tradeTable")inside a specific div ("trades"). However, memory consumption increases in about 3k at every up...

What should we take care of when passing json to a WCF webHTTP service?

I'm running into a lot of troubles trying to do a post request from my jQuery code passing a JSON object to my webservice method. I know this question might seem to be pointless, but I wanted to know how WCF recognize a JSON string and converts it into a object. What should we configuring to have the warranty that it should work? I fo...

How to making ajax content crawlable by search engines

I have a website that paginate result via jquery.ajax(). URLs looks like: website.com/index.php?page=N I've googled and found some posts talking about it... so what i've understood is that i need to replace the "?" with "#!". It's that enought? Besides, should i include in the sitemap a link for each page? website.com/index.php (prior...

can any one explain me what is JSONP in layman terms

I known JSONP is (JSON padding) . I Know what is JSON and using it in $.getjson in jquery is also known But using jsoncallback cannot be understood and what is JSONP ...

How can I close the jquery ui dialog from inside the dialog code?

I use several jquery ui dialogs in my application to collect input from users and for CRUD operations. When in a page I need a dialog I do the following steps: First I define the minimum markup and code necessary to initialize the dialog like this <div id="dialogPanel" style="display:none" title=""></div> and, when the DOM is ready, ...

Passing an array of objects from jQuery to ASP.NET Webmethod() returns error

I have a javascript class that's as below function paramObj(test_id,uid,qid,ai) { this.test_id = test_id; this.uid = uid; this.question_id = qid; this.ansIndex = ai; } I fill an array with several of these objects and send them to my ASP.NET C# WebMethod defined as [WebMethod()] [System.Web.Script.Services.Sc...

JQuery ajax can't find elements in returned HTML

I have a simple $.ajax({ url: someUrl, method: 'get', dataType: 'html', success: function(data) { $('#someId').append($(data)); } }); The problem is I can't find elements simply within the returned data. If there's an input with id="myInput" I can't get it with $('#myInput') or $('input[id=myInput]'). I...

jQuery $.get not returning data anymore

I am using jQuery-1.4.2 with CakePHP and a few days ago I had this working fine but now it isn't. I don't remember changing anything. I am taking the URL generated from the javascript and putting that directly into the browser and I am able to see the results in my browser however javascript is just getting a return value of null. Any...

How handle different results in an ajax call?

Suppose you have the following controller action [HttpPost] public ActionResult Save( CustomerModel model ) { if (!ModelState.IsValid) { //Invalid - redisplay form with errors return PartialView("Customer", model); } try { // // ...code to save the customer here... // return Pa...

Send the Ajax response to clipboard (FF:windows)

My from submission is returning a block of text that i would like sent directly to the system's clipboard. Users are on FF3.6x thx ...

How to use jQuery and Ajax to return just one string and how to insert it to a DDL in a jdialog?

I'm trying to create a dynamic module where I drop an object on screen. Then a jQuery dialog opens with three drop-down lists. When I select a value in the first drop-down list I'm trying to filter the results in the next list via Ajax. This is my JS code: $("#ddlTableType").live( 'change', function() { ...

$.ajax always returns success, even with errors

I'm currently trying to solve an odd problem. I always worked with ajax, json, etc but have no idea why that simple code below is not working. Below is the full javascript and html code: <html xmlns="http://www.w3.org/1999/xhtml"&gt; <head> <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"&gt;&lt...

Need to make JQuery AJAX request to PHP with JSON array returned and cycled through.

I have a web page that thats sends an Ajax request with a javascript object, using JQuery, to a PHP script which processes the data and then returns a JSON array. I then need to present the first items in the array within a HTML DIV and at the click of a button swap the HTML to present the next items in the array. Here is the PHP scri...

Partial page refresh for evary X seconds with Jquery and Ajax?

1) I have to change images dynamically according to values for every x seconds. I'm using the following function: setInterval(function() { $("#content").load(location.href+" #content>*",""); }, 5000); It works fine for updating the value, but the images not getting updated into its position. 2) From the 1st question i want to k...

Posting JSON with JQuery

Trying to get JQuery to post JSON to a server: $.ajax({ url: "/path/to/url", type: "POST", dataType: "json", contentType: "json", data: {"foo": "bar"}, success: function(){ alert("success :-)"); }, error: function(){ alert("fail :-("); } }); Problem is the data appears on...

Problem preventing form submission with jquery

I wish to execute a jquery based ajax form submission on pressing the enter key. Obviously this involves stopping the normal form submission process. My form consists of a single input field. Here is the code: <script type="text/javascript"> $(document).ready(function() { // add vid ajax $.ajaxSetup({ cache:false; ...

Descriptive error messages

I have the following jQuery which does not give the most descriptive error messsages... url: 'server_page.aspx', type: 'POST', data: { intID:$(this).attr("id"), strState:"1" }, error: function() { alert('Error'); }, success: function() { } How do I get more descriptive error messages if it is possible? EDIT: This is the full javasc...