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serverside controls vs html controls from AJAX point of view

- by devmania

hi, i know this question have been mentioned alot here but mine is a little more updated, now with ASP.net 4 and new Ajax client templating plus JASON services. so if i got all these new capabilities will i really need server side controls as long as i can bind on client side, create data-views on client side heck i can even use data-context and apply CRUD operations on clients side. so i actually i wont need button_click server side event or what so ever... i am asking this because i own some commercial Controls like Telerik and Component art and they both offer client side operations ow but still i am confused as to my knowledge creating these controls will still have to go through Page Life cycle please advise me.

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Cross domain AJAX requests using YQL

- by nav

Hi , I need to query a locations WOEID and grab the WOEID value from the xml returned. So the user would type e.g. London, UK and I need to load the query as below: http://query.yahooapis.com/v1/public/yql?q=select%20woeid%20from%20geo.places%20where%20text%20%3D%20%22London%2C%20UK%2C%20UK%22&format=xml After which I need to grab the WOEID value from the XML content returned. I know this can be done when HTML content is returned as this link shows - http://ajaxian.com/archives/using-yql-as-a-proxy-for-cross-domain-ajax Is there a way to use similar code to query the XML data returned? Thanks alot

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jQuery ajax doesn't seem to be reading HTML data in Chromium

- by Mahesh

I have an HTML (App) file that reads another HTML (data) file via jQuery.ajax(). It then finds specific tags in the data HTML file and uses text within the tags to display sort-of tool tips. Here's the App HTML file: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-US"> <head> <title>Test</title> <style type="text/css">  </style> <script type="text/javascript" src="http://code.jquery.com/jquery-1.4.2.min.js"></script> <script type="text/javascript"> //<![CDATA[ $(document).ready(function() { $("#stat_preview").hide(); $(".cfg_lnk").mouseover(function () { lnk = $(this); $.ajax({ url: lnk.attr("href"), success: function (data) { console.log (data); $("#stat_preview").html("A heading<br>") .append($(".tool_tip_text", $(data)).slice(0,3).text()) .css('left', (lnk.offset().left + lnk.width() + 30)) .css('top', (lnk.offset().top + (lnk.height()/2))) .show(); } }); }).mouseout (function () { $("#stat_preview").hide(); }); }); //]]> </script> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> </head> <body> <h1>Test</h1> <ul> <li><a class="cfg_lnk" href="data.html">Sample data</a></li> </ul> <div id="stat_preview"></div> </body> </html> And here is the data HTML <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-US"> <head> <title>Test</title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> </head> <body> <h1>Test</h1> <table> <tr> <td class="tool_tip_text"> Some random value 1</td> <td class="tool_tip_text"> Some random value 2</td> <td class="tool_tip_text"> Some random value 3</td> <td class="tool_tip_text"> Some random value 4</td> <td class="tool_tip_text"> Some random value 5</td> </tr> <tr> <td class="tool_top_text"> Some random value 11</td> <td class="tool_top_text"> Some random value 21</td> <td class="tool_top_text"> Some random value 31</td> <td class="tool_top_text"> Some random value 41</td> <td class="tool_top_text"> Some random value 51</td> </tr> </table> </body> </html> This is working as intended in Firefox, but not in Chrome (Chromium 5.0.356.0). The console.log (data) displays empty string in Chromium's JavaScript console. Firebug in Firefox, however, displays the entire data HTML. Am I missing something? Any pointers?

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ASP.NET MVC ajax - data transfer

- by Grienders

How can I get result from action? I need to show the commentID on the page (aspx) after successes comment insert. controller [AcceptVerbs(HttpVerbs.Post )] public ActionResult ShowArticleByAjax(Guid id, string commentBody) { Guid commentID = Comment.InsertComment(id, commentBody); //How can I tranfer commentID to the aspx page ??? return PartialView("CommentDetails",Article.GetArticleByID(id)); } ascx <%using (Ajax.BeginForm("ShowArticleByAjax", new { id = Model.ID }, new AjaxOptions { HttpMethod = "Post", UpdateTargetId = "divCommentDetails", OnSuccess = "successAddComment", OnFailure = "failureAddComment", OnBegin = "beginAddComment" })) { %> <p> <%=Html.TextArea("commentBody", new { cols = "100%", rows = "10" })%> </p> <p> <input name="submit" type="image" src="../../Content/Images/Design/button_s.gif" id="submit" /> </p> <%} %> aspx doesn't matter

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Ajax.ActionLink is not POSTing

- by Dave Hanna

I am trying to navigate to an MVC action by POSTing rather than GETting. (The action is a DELETE, and I don't want it reachable by an external link.) I am using a link in a grid generated by Ajax.ActionLink("Remove", "Delete", new { saID = Model.Said, id = e.id }, new AjaxOptions { HttpMethod = "POST", Confirm = "Are you sure you want to delete this item?" }) Which generates the following HTML: <a href="/Equipment/Delete/102424/229933" onclick="Sys.Mvc.AsyncHyperlink.handleClick(this, new Sys.UI.DomEvent(event), { insertionMode: Sys.Mvc.InsertionMode.replace, confirm: 'Are you sure you want to delete this item?', httpMethod: 'POST' });">Remove</a> My problem is that when I click on the link, I am reaching the Delete action via a GET rather than a POST, AND the Confirm dialog is not taking place. I have been googling this for several hours and just keep getting wrapped around the axle. What am I doing wrong?

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Ajax Tab control in master page

- by Senthilkumar

Hi All I am using ajax tab container in master page with more than 4 tab panels, but when i include asp:contentplaceholder in content template of each tab panel i am not able to see the second or the third page (aspx) when i click on the tab.. i searched through net but didn get any answers. Pl help me. only the first page (aspx) included in content place holder is getting loaded the sencond asd so pages in tab panel are not// .. my example code here (.. only tis loaded) (.. not this one even when i clicked it)

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Flot Pie Chart using Ajax, Php and MySql

- by Neriza Almirol

Good Day! Can you help me? I have a problem getting values from database. I want to control the legend. I've been googling the best approach for the pie chart, but still looking for the best answer for my problem. It's easy to query the data from the database, but I want to show it using the flot pie chart and I need it for statistic reports. From database, I need to get the percentage of Female and Male followers and separate it according to age groups. The data (dateOfbirth) is available from our database using facebook integration. Can you give me an example using Ajax, Php and MySql? Thank you! :) $.plot($("#graph_3"), graphData, { series: { pie: { show: true } }, grid: { hoverable: true, clickable: true } }); $("#graph_3").bind("plothover", pieHover); $("#graph_3").bind("plotclick", pieClick);

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Unobtrusive jQuery and Rails with AJAX and form validation

- by bogumbiker

Hello, I am looking for a way to call successfully custom function from submitHandler to do proper ajax post. Here is my custom function: jQuery.fn.submitWithAjax = function() { this.submit(function() { $.post(this.action, $(this).serialize(), null, "script"); return false; }) return this; }; Before using validate plugin I had following which worked fine: $(document).ready(function() { $("#my_form").submitWithAjax(); } Now I have added the validation part and have no idea how to call my custom submitWithAjax function?? $(document).ready(function() { $("#my_form").validate({ /*Validations - works perfectly!! */ }, submitHandler: function(form) { /* $("#my_form").submitWithAjax(); - this works but introduces recursion */ /* how to call custom subitWithAjax() ????? */ } }); }) Thanks!

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MVC2 Client-Side Validation for injected Ajax content

- by radu-negrila

Hi, I am making an Ajax call and adding content to a form inside a MVC2 app. I need to update the Client Validation Metadata with the validation for my new content. <script type="text/javascript"> //<![CDATA[ if (!window.mvcClientValidationMetadata) { window.mvcClientValidationMetadata = []; } window.mvcClientValidationMetadata.push({"Fields":[{" ... </script> Is there a way to generate this metadata for a partial view ? Thanks in advance.

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AJAX Partial page update problem when displaying a control

- by Jernej Goricki

Hello! I have an interesting problem when using partial page update in asp.net with scriptmanager and a update panel. My scenario looks like this: I'm using the tab control from the ajax toolkit. I also implemented this control using lazy loading, so that when the page is loaded only the current tab gets loaded all the other tabs don't get rendered, because Im using an UpdatePanel (on a .ascx control) on each of these tabs and when a tab gets selected the updatepanel makes a async postback to load the content for a selected tab. On one of my tabs Im using a combobox control from obout.com, and it doesn't work. Now I know why it doesn't work. It doesn't work because the control is shown via a partial page refresh, but to correctly display the control it has to do some "magic" that is - register some .css and .js includes on the page (in the head I guess)....but because I load this control via async page refresh...it can't do these stuff. What kind of workarround do you suggest? Thanks!

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Loading HTML into <div> with jQuery-ajax

- by ehehhh

Hello everyone, I ran into a bit of trouble while trying to load an external HTML page into a div using jQuery-ajax. I had this div: <div id="content"></div> and wanted to fill it with $("#content").load("include/add.html"); It loads the HTML file perfectly, but inside that add.html is a button that should load add2.html(also using .load), but it seems that neither the button nor the datepicker in that file won't work. I'm guessing the .load function is responsible for that? This is the content of add2.html: <p>Nr: <input type="text"></input></p> <p>Name: <input type="text"></input></p> <p>Date: <input type="text" id="datepicker"></input></p> <a href="#" id="button1">Next</a> Please help, I'm desperate :D

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DHTML library for handling pictures and videos using AJAX

- by Cawas

This is based on my full question. I decided to take it in parts and see if I still can't get any help. What are all the options we've got for client-side frameworks? I've heard mostly about prototype and jquery, but I know there are way too many options out there beyond those two, and I don't know if they handle async download. From all of them which one is the fastest, both on the DHTML (interface) and the AJAX (download)? What are the advantages it has over the others?

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Secure ajax form POST

- by user194630

I was wondering how to develop a secure form post through AJAX. For example, i have: My HTML form. My JavaScript handling the submit. The submit url is "post_data.php" The posted data is: id=8&name=Denis The PHP verifies if variables id and name are POSTED and their data type. If this is ok it proceed to do some stuff on a database. My question is, how can i prevent someone from creating his own html form, outside my web site, or whatever, and posting false data to my PHP script? Imagine that data realy exists on my database, this could be bad. Thanks

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Ajax Div Maintain Height

- by pws5068

Greetings, I have a list of user comments on a page, with a next button which makes an Ajax call to get the second set of comments. The problem is, the height of the comments div temporarily becomes very small while the loading bar is in place. This makes the user need to scroll back down to see the new comments The issue can be seen at the bottom of this page by clicking "Next" comments. Is there a way to force the div to maintain its height through Javascript? I do not want to hard code the div height in case a page has 3 or less comments.

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Jquery ajax success function returns null?

- by udaya

I use the following the jquery statements to call my php controller function, it gets called but my result is not returned to my success function.... function getRecordspage() { $.ajax({ type: "POST", url:"http://localhost/codeigniter_cup_myth/index.php/adminController/mainAccount", data: "{}", contentType: "application/json; charset=utf-8", global:false, async: true, dataType: "json", success: function(result) { alert(result); } }); } My controller method, function mainAccount() { $_SESSION['menu'] = 'finance'; $data['account'] = $this->adminmodel->getaccountDetails(); if(empty($data['account'])) { $data['comment'] = 'No record found !'; } $json = json_encode($data); return $json; } I get the alert(1); in my success function but my alert(result); show null... Any suggestion...

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asp.net ajax, change asp:image imageurl

- by maxxxee

I have an update panel within which a sortable grid is present. While sorting, I have to change an image which shows the sort direction. The sort is an ajax operation initiated by a linkbutton for each column. Everything works fine except the image control. I am able to toggle visible property to show and hide it but, not able to change the ImageUrl property. imagesort.ImageUrl = "~/images/asc.jpg"; imagesort.Visible = true; The above code shows the image but the image is always the imageurl given in the markup not what is set in the code. If imageurl is not specified in the markup, no image(broken image) is shown irrespective of the above code.

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jQuery, PHP, AJAX, "tu" variable beeing posted for no reason, shows in var_dump()

- by Mattis

A jQuery AJAX request .post()s data to page.php, which creates $res and var_dump()s it. $res: $res = array(); foreach ($_REQUEST as $key => $value) { if($key){ $res[$key] = $value; } } var_dump($res): array(4) { ["text1"]=> string(6) "mattis" ["text2"]=> string(4) "test" ["tu"]=> string(32) "deb6adbbff4234b5711cc4368c153bc4" ["PHPSESSID"]=> string(32) "cda24363cb9d3226bd37b2577ed0bc0b" } My javascript only sends text1 and text2: $.post("page.php",{ text1:"mattis", text2:"test" } What is the "tu" variable beeing sent? Apparantly it's very similar to the session id, but I've never seen it before. EDIT: It is sent in IE but not in FF.

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Execute JavaScript function on a dynamic element (AJAX).

- by jartaud

Hello i have this following function: ... var model = $("#carModel"); .... model.change(validModel); function validModel(){ if(model.val() == undefined){ model.addClass("errorJS"); return false; }else{ model.removeClass("errorJS"); return true; } } I am getting carmodel id from a select box generated after an AJAX call. I can get its value in the Firebug console, but the function doest not execute. Even tough i use model.livequery(validModel); // The errorJS class put a red border in a element, if the function returns false

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jQuery-ui problem with modal dialog from ajax

- by Intra

Hi I have following setup index.html with <div id="container"</div using anchor method I load different html content into this container. My content contains div for modal dialog "dialog-form" and I initialise it with the custom function from the javascript included in index.html on successful ajax load using callback $.get("callback.php",query, function(data){ $("#container").html(data); initPos(); // here we run javascript to initialise modal dialog }); Everything is ok until user click other menu (we load different content) and after that again clicks menu with this modal dialog, so page loads again, we call script again (everything is ok yet), dialog opens, information from the dialog is submitted to server and on sucessful sumbit I want to close the dialog with ('#dialog-form').dialog('close');it worked first time, but no longer works because we initialised this dialog twice and using Firebug I can see two different instances of modal dialog with the same name. So, what is the right way to do the thing? Is there any way to close multiple dialogs with the same name or maybe we can kill all closed modal dialogs when user clicks different menu?

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JQuery Ajax response not triggering success

- by Mohammad

This is my code, $.ajax({ type:"get", //this doesn't work //url:'http://example.com/json.php', //But this works url:'http://api.flickr.com/services/feeds/photos_public.gne?tags=cat&tagmode=any&format=json&jsoncallback=?', dataType:"jsonp", success:function(data){ alert('success'); }, error:function(){ alert('error'); } }); in json.php I have <?php header("Content-type: application/javascript"); ?> Then I've copied all the output of that flickr url. So the problem shouldn't be in the content of my code but how it's being sent. What do i need to fix here? Thanks in advance!

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Multi page ordering form php or ajax

- by Adam

I'm looking to create a multi page ordering form the first page would contain some dropdown and text fields, the second page would contain more text fields, the third page would be an order summery with paypal payment option. I'm just wondering what the best way to create this order form is. I've used sessions in the past but never with users entering in text and picking items from drop downs, does anyone have any resources for doing this? Or does anyone know of a jquery or other ajax example or plugin I might be able to use and modify. any insight would be a big help. thanks

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ASP.net scriptmanager and AJAX control

- by c11ada

hey all, im making a username availability check in ASP.net using ajax updatepanel, but i keep getting the following error The control with ID 'UserNameUP' requires a ScriptManager on the page. The ScriptManager must appear before any controls that need it.] im using the create user wizard, to create a new user but i want to check if the user already exists, i have the following code in the aspx file <asp:UpdatePanel runat="server" ID="UserNameUP"> <ContentTemplate> <asp:TextBox ID="UserName" runat="server" Width="200px" AutoPostBack="true" OnTextChanged="Username_Changed"></asp:TextBox></ContentTemplate> </asp:UpdatePanel><br /> but i keep getting that error, can any one help thanks

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Google AJAX Transliteration API: Is it possible to make all input fields in the page transliteratabl

- by SolidSnakeGTI

Hello, I've used "Google AJAX Transliteration API" and it's going well with me. http://code.google.com/apis/ajaxlanguage/documentation/referenceTransliteration.html Currently I've a project that I need all input fields in every page (input & textarea tags) to be transliteratable, while these input fields differs from page to page (dynamic). As I know, I've to call makeTransliteratable(elementIds, opt_options) method in the API call to define which input fields to make transliteratable, and in my case here I can't predefine those fields manually. Is there a way to achieve this? Thanks in advance

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ASP.NET AJAX postback and jQuery

- by Echilon

I have a Textbox, a LinkButton and a RadioButtonList inside an UpdatePanel. When the button is clicked, the UpdatePanel shows matching items in the radiobuttonlist. This works fine, but I now need to make the same happen OnKeyDown on the TextBox. I'm trying to cancel all AJAX requests in progress but not having much luck. Firstly, on every keypress the UpdatePanel posts back, so only one letter can be changed at a time. Secondly, the textbox loses focus on postback. I need to show the list as normal, but OnKeyDown as well as when the button is pressed. This is what I have (control IDs shortened) $('#textBoxId').live('keydown', function(e) { if((e.keyCode >= 47 && e.keyCode <= 90) || e.keyCode == 13) { Sys.WebForms.PageRequestManager.getInstance().abortPostBack(); $('#buttonId').click(); $('#textBoxId').focus(); } }); Thanks for any insight.

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Tomcat 5.5, Is there a max upload speed per request?

- by maclema

I am having an issue when uploading files to tomcat. It seems that tomcat (or something else?) will not handle the upload as fast as I can send it. When uploading multiple files concurrently I can max out my local connection upload speed (2.1MB/s). However, when uploading only one file at a time, no matter how small or large the file, the upload will max out around 400KB/s. I have tried setting the appReadBufSize higher but it makes no difference. Is there something else that would be limiting the upload speed per request? Proxy Server: CentOS 4 Apache 2 SSL Tomcat Server: CentOS 4 Tomcat 5.5.25 (Tomcat Native Library Is Installed) Java 6 Thanks! Matt

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