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• AJAX.dll is throwing error?

  - by Ramesh

  Hi all, I am using Ajax.dll in my web application.I need to refresh a page for maintaining a session more than one hour, So I created a ajax method that will be called for every 15 mins. Suddenly it throws an error System.NullReferenceException: Object reference not set to an instance of an object. at Ajax.AjaxRequestProcessor.Run() at Ajax.AjaxHandler.ProcessRequest(HttpContext context) at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) I thought the error might be in Ajax dll. Can anyone please help me to get rid of the issue please.

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• Can I prevent window.onbeforeunload from being called when doing an AJAX call

  - by Paul

  I have an AJAX-based grid control. We hook into the window.onbeforeunload event to check if they have unsaved data and if so present them with a message "Are you sure you want to navigate away...you have unsaved data...". All this is good. But AJAX calls also trigger window.onbeforeunload and so if the grid has unsaved data and we make an AJAX call (such as to delete a row in another grid) the user gets the "Are you sure you want to navigate away...you have unsaved data..." message which is not good. Is it possible to suppress the onbeforeunload event for AJAX calls? Or is it possible to detect that a call is an AJAX call? Otherwise we'll have to get hacking! Thanks

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• How to prevent caching from jQuery Ajax?

  - by cynwong

  Hi, Could anyone please help me with this? I have a web page using .manifest for offline storage caching. In that page, I use jQuery ajax call to get the data from the server. If I first load the page, it is OK. I can switch between Online and Offline. But the problem is when I go back online and refresh the page. jQuery ajax cannot be able to talk to server anymore. Is there a way to for ajax to talk to the server or clear offline cache? My ajax call is as such: $.ajax({ type: "GET", url: requestUrl, success: localSuccess, error: error, dataType: "text", cache:false });

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• Introducing Ajax support in a MyFaces (JSF) + Tomahawk application

  - by Abel Morelos

  Hi, we have a project we we are using MyFaces + Tomahawk, recently I have been requested to provide enhancements to many of the existing screens by using AJAX and provide functionality such as partial refresh. As I see, Tomahawk's components don't have special support for Ajax, so it may be a lot of work to hack Tomahawk in order to use Ajax. Now, I have seen that there are other frameworks such as Trinidad, ajax4jsf, RichFaces, etc. I'm specially interested in Trinidad since it is also a MyFaces project and it has built-in Ajax support, but I'm not still convinced about Trinidad since the other frameworks also have very promising features. Considering that I have a MyFaces+Tomahawk application, what move would you suggest to take in order to introduce Ajax support? Hack with Tomahawk or directly with JSF/MyFaces? Use Trinidad? Use/Add a different framework? Thanks.

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• JQuery AJAX is not sending UTF-8 to my server, only in IE.

  - by alex

  I am sending UTF-8, japanese text, to my server. It works in Firefox. My access.log and headers are: /ajax/?q=%E6%BC%A2%E5%AD%97 Accept-Charset ISO-8859-1,utf-8;q=0.7,*;q=0.7 Content-Type application/x-www-form-urlencoded; charset=UTF-8 Howeer, in IE8, my access.log says: /ajax/?q=?? For some reason, IE8 is turning my AJAX call into question marks. Why!? I added the scriptCharset and ContentType according to some tutorials, but still no luck. And this is my code: $.ajax({ >---method:"get", >---url:"/ajax/", scriptCharset: "utf-8" , contentType: "application/x-www-form-urlencoded; charset=UTF-8", >---data:"q="+query ... ...

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• jQuery ajax in DotNetNuke preserving user authentication

  - by Michael Bradley

  I want to use jQuery's ajax functionality in a DotNetNuke module I'm developing. I want the ajax call to be authenticated via DNN's membership functionality. I want the ajax response as json. How can I do this? I've looked at IWeb and IWebCF -- it's not clear to me from much Googleing and scanning the forums whether these modules would allow me to create a web service that would accept a simple post request and return json (seems like they want to do it the ASP.NET AJAX way with a generated proxy, I'd prefer to just use jQuery's AJAX call functionality). Seems you can't create a simple webmethod in a DNN module (since they are developed as User Controls (.ascx)). I could deploy an .asmx file with module, but that won't leverage DNN's authentication system. Ideas? I'm currently developing against DNN 4.9.5

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• IE8 AJAX GET setRequestHeaders not working unless params provided in URL

  - by bobthabuilda

  I'm trying to create an AJAX request in IE8. var xhr = new ActiveXObject( 'Msxml2.XMLHTTP' ); xhr.open( 'GET', '/ajax/' ); // Required header for Django to detect AJAX request xhr.setRequestHeader( 'X-Requested-With', 'XMLHttpRequest' ); xhr.onreadystatechange = function() { if ( this.readyState == 4 ) console.log(this.responseText); } xhr.send( null ); This works perfectly fine in Firefox, Chrome, Safari. In IE8 however, all of my AJAX test requests work EXCEPT for ones where I'm performing GETs without any query string params (such as the one above). POSTs work without question, and GET requests only work whenever I include query strings in the URL, like this: xhr.open( 'GET', '/ajax/?foo=bar' ) I'm also 110% positive that my server code is handling these requests appropriately, so, this stumps me completely. Does anyone have any clue as to what might be causing this?

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• TinyMCE not working in http request xhr ajax generated page

  - by user982853

  So i I have a page that contains links that call an httpRequest. The request calls a php file that grabs data from mysql and pre populates a form which is then returned to the browser/webpage. My problem is that when the page is returned to the browser via the httpRequest/ajax the text area does not display the tinymce editor, it just displays a normal text area. It looks like my request and ajax is working fine the text area just doesn't have the tinycme editor on it. When i don't use ajax it works fine but when i put it in a separate file and call it via ajax it doesn't bring in the tinymce editor. Does anyone know how to fix this problem so that my ajax generated page displays the text area with the tinymce editor. Thank you.

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• Javascript callback for multiple ajax calls

  - by Jisaak

  My lack of javascript knowledge is getting me in trouble again. I think this should be a fairly easy problem to fix but I cant figure it out. Situation: I want to make three ajax calls in a click event. Each ajax call does a distinct operation and returns back data that is needed for a final callback. The calls themselves are not dependent on one another, they can all go at the same time, however I would like to have a final callback when all three are complete. $('#button').click(function() { fun1(); fun2(); fun3(); //now do something else when the requests have done their 'sucess' callbacks. }); var fun1= (function() { $.ajax({/*code*/}); }); var fun2 = (function() { $.ajax({/*code*/}); }); var fun3 = (function() { $.ajax({/*code*/}); });

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• Extract form variable in AJAX response using jquery

  - by Jake

  All, I have a Jquery ajax request calling out a URL. The ajax response I receive is an HTML form with one hidden variable in it. As soon as my ajax request is successful, I would like to retrieve the value of the hidden variabl. How do I do that? Example: html_response for the AJAX call is : <html><head></head><body><form name="frmValues"><input type="hidden" name="priceValue" value="100"></form></body></html> $.ajax({ type: 'GET', url: "/abc/xyz/getName?id="+101, cache: false, dataType: "html", success: function(html_response) { //Extract form variable "priceValue" from html_response //Alert the variable data. } }); Thanks

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• How to replace html element with ajax response?

  - by user2885137

  How do I replace the html element from ajax response? What I know to is to remove the element, how do I replace that removed tag with ajax response? For example: I have code like this: <ul id="products"> ............... </ul> When I click on a button the ajax call is made to codeginter controller where I recieve the new data pulled from the database and rendered in another view which starts from ul and ends at closing ul. In ajax success function I do this: $('#products').remove(); //What to do now here to replace the removed portion with response of ajax?

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• How to upload Image on Android?

  - by Mattiah85

  I havve to upload image from my SD card to PHP server. I have read a lot of articles and topics but I have some problems... First I have use that code: HttpURLConnection connection = null; DataOutputStream outputStream = null; //DataInputStream inputStream = null; String urlServer = hostName+"Upload"; String lineEnd = "\r\n"; String twoHyphens = "--"; String boundary = "*****"; String serverResponseMessage; //int serverResponseCode; int bytesRead, bytesAvailable, bufferSize; byte[] buffer; int maxBufferSize = 1*1024*1024; try { showLog("uploading file: " + file); FileInputStream fileInputStream = new FileInputStream(new File(pictureFileDir+"/"+file) ); URL url = new URL(urlServer); connection = (HttpURLConnection) url.openConnection(); // Allow Inputs &amp; Outputs. connection.setDoInput(true); connection.setDoOutput(true); connection.setUseCaches(false); // Set HTTP method to POST. connection.setRequestMethod("POST"); connection.setRequestProperty("Connection", "Keep-Alive"); connection.setRequestProperty("Content-Type", "multipart/form-data;boundary="+boundary); outputStream = new DataOutputStream( connection.getOutputStream() ); outputStream.writeBytes(twoHyphens + boundary + lineEnd); outputStream.writeBytes("Content-Disposition: form-data; name=\"uploaded_file\";filename=\"" + file +"\"" + lineEnd); outputStream.writeBytes(lineEnd); bytesAvailable = fileInputStream.available(); bufferSize = Math.min(bytesAvailable, maxBufferSize); buffer = new byte[bufferSize]; // Read file bytesRead = fileInputStream.read(buffer, 0, bufferSize); while (bytesRead > 0) { outputStream.write(buffer, 0, bufferSize); bytesAvailable = fileInputStream.available(); bufferSize = Math.min(bytesAvailable, maxBufferSize); bytesRead = fileInputStream.read(buffer, 0, bufferSize); } outputStream.writeBytes(lineEnd); outputStream.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd); // Responses from the server (code and message) //serverResponseCode = connection.getResponseCode(); serverResponseMessage = connection.getResponseMessage(); showLog("server response: " + serverResponseMessage); fileInputStream.close(); outputStream.flush(); outputStream.close(); } catch (Exception ex) { ex.printStackTrace(); } but server response 200/OK and no file was on destination server... After i have read about Multipart: try { HttpParams params = new BasicHttpParams(); params.setParameter(CoreProtocolPNames.PROTOCOL_VERSION, HttpVersion.HTTP_1_1); DefaultHttpClient mHttpClient = new DefaultHttpClient(params); File image = new File(pictureFileDir + "/" + filename); HttpPost httppost = new HttpPost(hostName+"Upload"); MultipartEntity multipartEntity = new MultipartEntity(HttpMultipartMode.BROWSER_COMPATIBLE); multipartEntity.addPart("Image", new FileBody(image)); httppost.setEntity(multipartEntity); mHttpClient.execute(httppost, new PhotoUploadResponseHandler()); } catch (Exception e) { e.printStackTrace(); } but then a i have such LOG in LogCat and nothing else... 06-04 06:50:52.277: D/dalvikvm(1584): DexOpt: couldn't find static field Lorg/apache/http/message/BasicHeaderValueParser;.INSTANCE 06-04 06:50:52.277: W/dalvikvm(1584): VFY: unable to resolve static field 6688 (INSTANCE) in Lorg/apache/http/message/BasicHeaderValueParser; 06-04 06:50:52.277: D/dalvikvm(1584): VFY: replacing opcode 0x62 at 0x001b ServerSide Script: $target_path = "uploads"; $target_path = $target_path . basename( $_FILES['Image']); if(move_uploaded_file($_FILES['tmp_name'], $file_path)) { echo "success"; } else{ echo "fail"; } why? What is the simplest way to upload image?

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• jQuery ajax form and Zend_Form file upload

  - by Sinisa Valentic

  If i submit my ajax form from jQuery, and do print_r($_FILES); i get a list of files uploaded, but if i do something like this $add_form->sound_file->isUploaded(); or $params = $this->_getAllParams(); print_r($params); i don't get my file in zend parametars, and i don't get it uploaded!? Mayb the problem is with he context beng ajax?!

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• ASP.NET AJAX, WebSeal Junctions, and Sessions

  - by powella

  I've run up across a problem with ASP.NET AJAX (hooked up to WebServices directly) and accessing our site through a WebSeal junction. Listing 11. On this page; http://www.ibm.com/developerworks/tivoli/library/t-ajaxtam/index.html explains that requests to pages which do not result in a content type of text/html are not sent with cookie data. Hence, no session. ASP.NET AJAX requests are returned with a content type of "application/json; charset=utf-8". As such, the WebSeal junction is not appending the Session Cookie to the request. This results in our WebService seeing the user as invalid, due to no session information. The Junction has been setup properly with the -J parameter (thats an uppercase J, which appends the required script for WebSeal to the bottom of the page - this prevents forcing IE into quirks mode.) and we've confirmed that the necessary script exists in the output source. I'm up for any suggestions at this point, as I'm out of ideas. FWIW, the site runs perfectly when not accessed through the WebSeal Junction.

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• POST Fail via AJAX Request?

  - by Jascha

  I can't for the life of me figure out why this is happening. This is kind of a repost (submitted to stackoverflow, but maybe a server issue?). I am running a javascript log out function called logOut() that has make a jQuery ajax call to a php script... function logOut(){ var data = new Object; data.log_out = true; $.ajax({ type: 'POST', url: 'http://www.mydomain.com/functions.php', data: data, success: function() { alert('done'); } }); } the php function it calls is here: if(isset($_POST['log_out'])){ $query = "INSERT INTO `token_manager` (`ip_address`) VALUES('logOutSuccess')"; $connection->runQuery($query); // <-- my own database class... // omitted code that clears session etc... die(); } Now, 18 hours out of the day this works, but for some reason, every once in a while, the POST data will not trigger my query. (this will last about an hour or so). I figured out the post data is not being set by adding this at the end of my script... $query = "INSERT INTO `token_manager` (`ip_address`) VALUES('POST FAIL')"; $connection->runQuery($query); So, now I know for certain my log out function is being skipped because in my database is the following data: if it were NOT being skipped, my data would show up like this: I know it is being skipped for two reasons, one the die() at the end of my first function, and two, if it were a success a "logOutSuccess" would be registered in the table. Any thoughts? One friend says it's a janky hosting company (hostgator.com). I personally like them because they are cheap and I'm a fan of cpanel. But, if that's the case??? Thanks in advance. -J

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• jQuery validation plugin and .ajax

  - by FALCONSEYE

  So, I have a form where I load divs as I go asking for various user input and displaying some offers. I have the following: $("#calcPrice").click(function() { $("#invPricing").validate({ rules: { ... }, messages: {... } , submitHandler: function(form) { .... $.ajax({ }); $.ajax({ }); return false; } }); My problem is after validation, none of the ajax calls work. If I remove the validation methods (rules, messages, submitHandler), everything works fine. Can somebody tell me what I am missing here? thanks in advance. btw, these are the ajax calls: $.ajax({ dataType: "json", type: "get", url: <cfoutput>"#actURL#"</cfoutput>, data: formData+"&p_type=LOW&returnJSON=true", cache: false, success: function(result) { // fields to populate: $("#rent").val(result.RENT); $("#discount").val(result.DISCOUNT); $("#salesPrice1").val(result.SALESPRICE); $("#cashPrice1").val(result.CASHSALESPRICE); $("#tax1").val(result.SALESTAX); $("#payment1").val(result.PAYMENTS); } , error: function(xmlHttpRequest, status, err) { confirm('Error!' + err); } }); $.ajax({ dataType: "json", type: "get", url: <cfoutput>"#actURL#"</cfoutput>, data: formData+"&p_type=HIGH&returnJSON=true", cache: false, success: function(result) { // fields to populate: $("#rent").val(result.RENT); $("#discount").val(result.DISCOUNT); $("#salesPrice2").val(result.SALESPRICE); $("#cashPrice2").val(result.CASHSALESPRICE); $("#tax2").val(result.SALESTAX); $("#payment2").val(result.PAYMENTS); } , error: function(xmlHttpRequest, status, err) { confirm('Error!' + err); } }); I am basically displaying two offers one Low, one High.

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• JQuery how to resubmit form after ajax call success

  - by Steven Rosato

  I am using JQuery to perform form submission through an ajax request. I use form.submit(function() { if( success ) { return true; } validate(); //proceeds to an ajax call return false; } On request success I want to either proceed with form submission or user callback. Therefore, if the user callback is undefined, I will submit the form on form validation success (from my validate function). config = { successCallback: function() { success = true; form.submit(); //does not work } }; validate = function() { $.ajax( ... success: function(data) { //code logic config.successCallback(); } ); }; The ajax success callback will call config.successCallback() and if it was never overridden by the user, it would proceed to normal form submission. I tried using an instance variable (success) to make sure 'return true' would proceed to default form submission. Unfortunately this is not working. It seems that the 'return false' statement that prevents default form submission will neglect any further submit calls even if an instance variable was set. It only works after clicking the submit button another time (that makes it twice for it to work). Is there any workaround for this. I want to both use a user callback when provided but proceed with default form submission when not, and since I am using an ajax function to validate the form, the ajax success callback is complicating things.

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• jQuery AJAX call not working in Webkit

  - by Brian

  I've run into a strange issue with Webkit based browsers (both Safari and Chrome - I'm testing on a Mac) and I am not sure what is causing it. Here's a small script I've created that replicates the issue: <html> <head> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> <script type="text/javascript" language="javascript"> function doRequest() { document.test.submit(); $.ajax({ type: "GET", cache: false, url: 'ajax.php?tmp=1', success: doSuccess }); } function doSuccess(t_data,t_status,req) { alert('Data is: '+ t_data +', XMLHTTPRequest status is: '+ req.status); } </script> </head> <body> <form name="test" method="post" action="ajax.html" enctype="multipart/form-data"> <input type="file" name="file_1"> <br><input type="button" value="upload" onclick="doRequest();"> </form> </body> </html> ajax.php is: <?php echo $_REQUEST['tmp']; ?> This works as is on Firefox, but the XMLHTTPRequest status is always "0" on both Safari and Chrome. If I remove this line: document.test.submit(); then it works, but of course the form is not submitted. I've tried changing the form submit button from "button" to "submit", but that also prevents it from working on Safari or Chrome. What I am trying to accomplish is: submit the form call another script to get status on the file being uploaded via the form (it's for a small upload progress meter). Any help is really appreciated - I'm hopeful it is just a quirk I'm not familiar with. Thanks! Brian

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• jquery ajax post canceled

  - by hsemu

  I want to track the mouse click events on a set of UI components on a set of pages. To do this, I am using the following jquery/ajax call(trimmed out u): 1.Ajax call which will add the click logging. myClickLogger = { endpoint: '/path/to/my/logging/endpoint.html', logClickEvent: function(clickCode) { $.ajax({ 'type': 'POST', 'url': this.endpoint, 'async': true, 'cache': false, 'global': false, 'data': { 'clickCode':clickCode }, 'error': function(xhr,status,err){ alert("DEBUG: status"+status+" \nError:"+err); }, 'success': function(data){ if(data.status!=200){ alert("Error occured!"); } } }); } }; 2.JQuery click event which will call the ajax logger(the clickCode is an identifier for which button/image was clicked): $(document).ready(function() { $(".myClickEvent[clickName]").click(function() { var clickCode = $(this).attr("clickName"); myClickLogger.logClickEvent(clickCode); }); }); The above ajax call(1.) is "canceled" by browser whenever the button click being tracked takes to a new page. If I change 'aysnc' to 'false', then the ajax call succeeds. Also, click events which do not take to a new page succeed. Only the click events taking to new page are being canceled. I do not want to make the call synchronous. Any ideas, what could be the issue? How can I guarantee that the asynchronous call before is finished when the click event takes to a new page?

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• Why does calling abort() on ajax request cause error in ASP.Net MVC (IE8)

  - by user169867

  I use jquery to post to an MVC controller action that returns a table of information. The user of the page triggers this by clicking on various links. In the event the user decides to click a bunch of these links in quick succession I wanted to cancel any previous ajax request that may not have finished. I've found that when I do this (although its fine from the client's POV) I will get errors on the web application saying that "The parameters dictionary contains a null entry for parameter srtCol of non-nullable type 'System.Int32'" Now the ajax post deffinately passes in all the parameters, and if I don't try and cancel the ajax request it works just fine. But if I do cancel the request by calling abort() on the XMLHttpRequest object that ajax() returns before it finishes I get the error from ASP.Net MVC. Example: //Cancel any pevious request if (req) { req.abort(); req = null; } //Make new request req= $.ajax({ type: 'POST', url: "/Myapp/GetTbl", data: {srtCol: srt, view: viewID}, success: OnSuccess, error: OnError, dataType: "html" }); I've noticed this only happen is IE8. In FF it seems to not cuase a problem. Does anyone know how to cancel an ajax request in IE8 without causing errors for MVC? Thanks for any help.

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• jQuery ajax call doesn't seem to do anything at all

  - by icemanind

  I am having a problem with making an ajax call in jQuery. Having done this a million times, I know I am missing something really silly here. Here is my javascript code for making the ajax call: function editEmployee(id) { $('#<%= imgNewEmployeeWait.ClientID %>').hide(); $('#divAddNewEmployeeDialog input[type=text]').val(''); $('#divAddNewEmployeeDialog select option:first-child').attr("selected", "selected"); $('#divAddNewEmployeeDialog').dialog('open'); $('#createEditEmployeeId').text(id); var inputEmp = {}; inputEmp.id = id; var jsonInputEmp = JSON.stringify(inputEmp); debugger; alert('Before Ajax Call!'); $.ajax({ type: "POST", url: "Configuration.aspx/GetEmployee", data: jsonInputEmp, contentType: "application/json; charset=utf-8", dataType: "json", success: function (msg) { alert('success'); }, error: function (msg) { alert('failure'); } }); } Here is my CS code that is trying to be called: [WebMethod] public static string GetEmployee(int id) { var employee = new Employee(id); return Newtonsoft.Json.JsonConvert.SerializeObject(employee, Newtonsoft.Json.Formatting.Indented); } When I try to run this, I do get the alert that says Before Ajax Call!. However, I never get an alert back that says success or an alert that says failure. I did go into my CS code and put a breakpoint on the GetEmployee method. The breakpoint did hit, so I know jQuery is successfully calling the method. I stepped through the method and it executed just fine with no errors. I can only assume the error is happening when the jQuery ajax call is returning from the call. Also, I looked in my event logs just to make sure there wasn't an ASPX error occurring. There is no error in the logs. I also looked at the console. There are no script errors. Anyone have any ideas what I am missing here? `

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• problem with ajax on the hosting server

  - by nelly

  when I Implemented chatting Function , I use Ajax to send messages between file to another . so , it is working well on local host . but , when I upload it in to remote server it doesn't work. can U tell me ,why ? is an Ajax need Special configuration ? there is my files that I used : Ajax .js file witch has "ajax_send" function that i used in chatbox.js file chatbox.js file wich consest of functions i used it to send data from php file to another one and it display the state (any user sign in or new sending message and so on ..) user.php file whitch responseble to write user name in the text file usersonline.txt and then display the online users in the online users column. send.php file that write on room1.text recive.php file that read room1.txt and then write the content into the chat box I beleve that the problem comes from the ajax code in Ajax.js File so please help me find out the problem and how to solve it. is ajax needs special server settings ? because it was working at the local host !

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• web browser become slow or no response after several ajax calls

  - by Patrick

  I'm totally newbie to jquery and ajax, my recently project is to help the representatives (reps) to manage customer quotations online. I have a page which displays all the quotations in a big table. I've managed to use ajax to fetch and display the quotations which associate to a particular rep after i click that rep's name. But the only problem is the speed of response. The first few clicks are ok and very smooth. But after several tries, the response become slow and I cant even scroll down the webpage, and later on the web browser craches.... Please have a look at my ajax code. here it is: <!-- AJAX FETCH QUOTES DATA + Tablesorter + FIXED TABLE HEADER--> <script type="text/javascript"> //<![CDATA[ $(function(){ $("a.repID").click(function(){ $('div#loader').append("<p align='center'><img src='images/loadingbar2.gif' id='loading' /></p>"); var repID = $(this).attr("title"); $.ajax({ type:'POST', url:'quote_info.php', data:'repID=' + repID, cache: false, success:function(data) { $("#container").html('<div id="content">' + data + '</div>'); $("#loading").fadeOut(500, function() {$(this).remove();}); $("#sortme").tablesorter(); $('.tbl').fixedtableheader(); } }); return false; }); }); </script> <!-- AJAX FETCH QUOTES DATA + Tablesorter + FIXED TABLE HEADER-->

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• jQuery ajax success not work in codeigniter

  - by softboxkid

  I had a problem with ajax. The trick is, when user click on the top hyperlink, it will send the link id through onclick=getChildMenuLink(str). Then from getChildMenuLink(str) function, it will send the str to the controller (to set the session) thru ajax. here is the code. html code <a href="http://localhost/ejournal/index.php/sysconfig" onclick="getChildMenuLink(1)">Administrator</a> <a href="http://localhost/ejournal/index.php/welcome" onclick="getChildMenuLink(22)">Home</a> jquery ajax function getChildMenuLink(str) { 'use strict'; $.ajax({ type: 'POST', url: "http://localhost/ejournal/index.php/sysconfig/getLink/" + str, success: function () {} // End of success function of ajax form }); // End of ajax call //alert(document.URL); } codeigniter controller function getLink($id='') { $this->session->unset_userdata('parentLink'); $this->session->set_userdata('parentLink',$id); } if i uncomment the alert() function on that script, it work. the PHP session is properly set. please help me

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• Getting jQuery to return an ajax object

  - by japancheese

  Hello, The question title is a bit strange because I'm not exactly sure how to phrase the problem. The issue is that I have many links to which I want to bind a click event with an ajax call, and I'm just looking to refactor some duplicate code into a single area. The links I'm trying to bind an ajax call only have one thing that differentiates them, and that's an id from a previously declared object. So I have lots of code that looks like this: $("a.link").bind('click', function() { id = obj.id; $.ajax({ url: "/set/" + id, dataType: 'json', type: "POST" }) }); I was trying to refactor it into something like this: $("a.link").bind('click', ajax_link(obj.id)); function ajax_link(id) { $.ajax({ url: "/set/" + id, dataType: 'json', type: "POST" }) }); However, as you can imagine, this just actually makes the ajax call when the element is binded with the click event. Is there an easy way to refactor this code so I can extract out the common ajax code into its own function, and hopefully reduce the number of lines of jQuery in my current script?

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