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  • Reading option values in select

    - by user281180
    I have select values as follows: <select id="SelectBox" multiple="multiple"> <% foreach (var item in Model.Name) { %> <option value="<%= item.Value %>"><%=item.Text%></option> <% } %> </select> I have a function in jquery that will have to read both the text and value. I need to have the values in array so that I can display them in a table with a column Id and another column text. My problem is that Im not able to retrieve each and every value separately. Im having the text in one line, test1test2test3. function read() { $("#SelectBox").each(function() { var value = $(this).val(); var text = $(this).text(); alert(value);alert(text); }); }

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  • $.jQTouch.goTo is not a function Options

    - by Max Fraser
    I am trying to use the goTo function to rotate between images, here is my basic JS: <script type="text/javascript" charset="utf-8"> $.jQTouch(); $(function () { $('.touch').live('swipe', function (event, info) { alert('called' + info.direction); var id = $(this).parent().next().attr("id"); alert(id); $.jQTouch.goTo(id, 'slide'); }); }); </script> This works great up until I get to the $.jQTouch.goTo(id, 'slide'); line and then I get the following error: $.jQTouch.goTo is not a function How do I access this goTo function?

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  • What am I missing in the XMLHttpRequest?

    - by user297979
    Hi guys, I'm completely new to the javascript and ajax world but trying to learn. Right now I'm testing the XMLHttpRequest and I can't make work even the simplest example. This is the code I'm trying to run <script type="text/javascript"> function test() { xhr = new XMLHttpRequest(); xhr.onreadystatechange = function() { if (xhr.readyState == 4 && xhr.status == 200){ var container = document.getElementById('line'); container.innerHTML = xhr.responseText; } else { alert(xhr.status); } } xhr.open('GET', 'http://www.google.com', true); xhr.send(null); } </script> And I always get the alert with the status 0. I've read tons of webs about this and I don't know what am I missing. I will appreciate any help, thanks!

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  • "Error #1006: getAttributeByQName is not a function." Flex 2.0.1 hotfix 2

    - by Deveti Putnik
    Hi, guys! I am working on some old Flex project (Flex 2.0.1 hotfix 2) and I am rookie in Flex programming. So, I wrote code for accessing some ASP.NET web service: <?xml version="1.0" encoding="utf-8"?> [Bindable] public var users:ArrayOfUser; private function buttonClicked():void { mx.controls.Alert.show(dataService.wsdl); dataService.UserGetAll.send();/ } public function dataHandler(event:ResultEvent):void { Alert.show("alo"); var response:ResponseUsers = event.result as ResponseUsers; if (response.responseCode != ResponseCodes.SUCCESS) { mx.controls.Alert.show("Error: " + response.responseCode.toString()); return; } users = response.users; } ]]> <mx:Button label="Click me!" click="buttonClicked()"/> And this is what I get from debugger: WSDL loaded Invoking SOAP operation UserGetAll Encoding SOAP request envelope Encoding SOAP request body 'A97A2DC1-AEDA-C594-45D2-1BA2B0F3B223' producer sending message '10681130-43E7-3DA7-34DD-1BA2B85545E3' 'direct_http_channel' channel sending message: (mx.messaging.messages::SOAPMessage)#0 body = "<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:s="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <SOAP-ENV:Body> <tns:UserGetAll xmlns:tns="http://tempuri.org/"/> </SOAP-ENV:Body> </SOAP-ENV:Envelope>" clientId = "DirectHTTPChannel0" contentType = "text/xml; charset=utf-8" destination = "DefaultHTTP" headers = (Object)#1 httpHeaders = (Object)#2 SOAPAction = ""http://tempuri.org/UserGetAll"" messageId = "10681130-43E7-3DA7-34DD-1BA2B85545E3" method = "POST" recordHeaders = false timestamp = 0 timeToLive = 0 url = "http://192.168.0.201:8123/Service.asmx" 'A97A2DC1-AEDA-C594-45D2-1BA2B0F3B223' producer acknowledge of '10681130-43E7-3DA7-34DD-1BA2B85545E3'. Decoding SOAP response Encoded SOAP response <?xml version="1.0" encoding="utf-8"?><soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"><soap:Body><UserGetAllResponse xmlns="http://tempuri.org/"><UserGetAllResult><ResponseCode>Success</ResponseCode><Users><User><Id>1</Id><Name>test</Name><Key>testKey</Key><IsActive>true</IsActive><Name>Petar i Sofija</Name><Key>123789</Key><IsActive>true</IsActive></User></Users></UserGetAllResult></UserGetAllResponse></soap:Body></soap:Envelope> Decoding SOAP response envelope Decoding SOAP response body And finally I get this error "Error #1006: getAttributeByQName is not a function.". As you can see, I get correct response from web service, but dataHandler function is never got called. Can anyone please help me out? Thanks, Deveti Putnik

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  • Form submits correctly in Chrome/FF, but fails altogether in IE/Safari

    - by culov
    I have a form with a css submit button. When a the submit button is clicked, i call a function that executes: document.forms["request"].onsubmit(); What should happen, then, is that the onsubmit method ought to be triggered. This works properly in Chrome/FF, but for some reason IE/Safari will bypass the onsubmit function and simply add the parameter "address=" onto the url as if it were submitting the form and ignoring the onsubmit function. Heres the code for the form: <form id="request" method="get" onsubmit="addLocation(this.address.value); return false;"> <br> <label style="position:relative;left:5px;" for="address">Enter an intersection or address: </label> <br> <br> <input style="height:35px; width:300px;position:relative;bottom:1px;left:10px;" id="address" name="address" class="required address"/> <a style="float:right;right:120px;position:relative;" class="button" onclick="submit();"> <span>Submit Request </span> </a> </form> and what follows are some relevant js functions: function addLocation(address) { if (geocoder) { geocoder.getLocations(address, function (point) { if (!point) { alert(address + " not found"); } else { if (point.Placemark[0].address != submittedString) { submittedString = point.Placemark[0].address; addRow(point.Placemark[0].address); req = "addrequest?truck=" + "coolhaus&address=" + point.Placemark[0].address; alert(req); addRequest(req); request.onreadystatechange = function () {} } } }); } } function addRequest(req) { try { request = new XMLHttpRequest(); } catch (e) { try { request = new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) { alert("XMLHttpRequest error: " + e); } } request.open("GET", req, true); request.send(null); return request; } You can test the form here: http://la.truxmap.com/request?id=grillmastersla Thanks so much!

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  • jquery value of textarea

    - by Elliott
    Hi, I have the code below, which sends the value of the textarea and either gets a fail or Successful response, for now I just check if it says "hello". function postdata() { $.ajax({ type: "POST", dataType: "text", url: "makepost.php", data: "post_text=" + $("#post_text").val(), cache: false, success: function(reply_text) { if (reply_text.indexOf("Successful") >= 0) { alert("Post Made"); } else { alert(reply_text); } } }); } <textarea rows="3" cols="25" id="post_text" ></textarea><br /> <input type="submit" id="post_bttn" value="Post" onclick="postdata(); return false;"> I have also tested just echo'ing out the value of the textarea, and all the time it is jus blank. Although in firebug it shows that I have sent that text. Any ideas? Thanks :)

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  • Rails: AJAX Controller JS not firing...

    - by neezer
    I'm having an issue with one of my controller's AJAX functionality. Here's what I have: class PhotosController < ApplicationController # ... def create @photo = Photo.new(params[:photo]) @photo.image_content_type = MIME::Types.type_for(@photo.image_file_name).to_s @photo.image_width = Paperclip::Geometry.from_file(params[:photo][:image]).width.to_i @photo.image_height = Paperclip::Geometry.from_file(params[:photo][:image]).height.to_i @photo.save! respond_to do |format| format.js end end # ... end This is called through a POST request sent by this code: $(function() { // add photos link $('a.add-photos-link').colorbox({ overlayClose: false, onComplete: function() { wire_add_photo_modal(); } }); function wire_add_photo_modal() { <% session_key = ActionController::Base.session_options[:key] %> $('#upload_photo').uploadify({ uploader: '/swf/uploadify.swf', script: '/photos', cancelImg: '/images/buttons/cancel.png', buttonText: 'Upload Photo(s)', auto: true, queueID: 'queue', fileDataName: 'photo[image]', scriptData: { '<%= session_key %>': '<%= u cookies[session_key] %>', commit: 'Adding Photo', controller: 'photos', action: 'create', '_method': 'post', 'photo[gallery_id]': $('#gallery_id').val(), 'photo[user_id]': $('#user_id').val(), authenticity_token: encodeURIComponent('<%= u form_authenticity_token if protect_against_forgery? %>') }, multi: true }); } }); Finally, I have my response code in app/views/photos/create.js.erb: alert('photo added!'); My log file shows that the request was successful (the photo was successfully uploaded), and it even says that it rendered the create action, yet I never get the alert. My browser shows NO javascript errors. Here's the log AFTER a request from the above POST request is submitted: Processing PhotosController#create (for 127.0.0.1 at 2010-03-16 14:35:33) [POST] Parameters: {"Filename"=>"tumblr_kx74k06IuI1qzt6cxo1_400.jpg", "photo"=>{"user_id"=>"1", "image"=>#<File:/tmp/RackMultipart20100316-54303-7r2npu-0>}, "commit"=>"Adding Photo", "_edited_session"=>"edited", "folder"=>"/kakagiloon/", "authenticity_token"=>"edited", "action"=>"create", "_method"=>"post", "Upload"=>"Submit Query", "controller"=>"photos"} [paperclip] Saving attachments. [paperclip] saving /public/images/assets/kakagiloon/thumbnail/tumblr_kx74k06IuI1qzt6cxo1_400.jpg [paperclip] saving /public/images/assets/kakagiloon/profile/tumblr_kx74k06IuI1qzt6cxo1_400.jpg [paperclip] saving /public/images/assets/kakagiloon/original/tumblr_kx74k06IuI1qzt6cxo1_400.jpg Rendering photos/create Completed in 248ms (View: 1, DB: 6) | 200 OK [http://edited.local/photos] NOTE: I edited out all the SQL statements and I put "edited" in place of sensitive info. What gives? Why aren't I getting my alert();? Please let me know if you need anymore info to help me solve this issue! Thanks.

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  • Unbinding inline onClick not working in jQuery?

    - by Polaris878
    Okay so, I'm wondering how to unbind an inline onclick event in jQuery. You'd think .unbind() would work, however it doesn't. To test this for yourself, play around with the following HTML and JavaScript: function UnbindTest() { $("#unbindTest").unbind('click'); } function BindTest() { $("#unbindTest").bind('click', function() { alert("bound!"); }); } <button type="button" onclick="javascript:UnbindTest();">Unbind Test</button> <button type="button" onclick="javascript:BindTest();">Bind Test</button> <button type="button" onclick="javascript:alert('unbind me!');" id="unbindTest">Unbind Button</button> As you can see, unbinding does not unbind the inline onclick event... however it does unbind the click event added with bind(). So, I'm wondering if there is a way to unbind inline onclick events short of doing the following: $("#unbindTest").get(0).onclick = ""; Thanks

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  • Custom Validation on jquery validate plugin, need to count element in a multiple select

    - by 0plus1
    I have a multiple select, and I need to force the user to choose maximum two options, nothing more. I'm trying this: jQuery.validator.addMethod("morethantwo", function(value, element) { var foo = []; $(element+' :selected').each(function(i, selected){ foo[i] = $(selected).text(); alert(foo[i]); }); return true; },"Max two options." ); The problem is that I get a: uncaught exception: Syntax error, unrecognized expression: [object HTMLSelectElement] error. While if I do this: $(element).each(function(i, selected){ foo[i] = $(selected).text(); alert(foo[i]); }); It works but I get all the options in the select. Why is that? Is this the correct road to walk? Are there better ways to do this kind of check? Thank you very much!

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  • javascript trying to get 3rd nested array.length and value

    - by adardesign
    How can i get the 3rd nested array (in this case the array starting with "yellow") the array looks like this: [ ["Large", ["yellow", "green", "Blue"], ["$55.00", "$55.00", "$55.00"] ["Medium", ["yellow", "green", "Blue", "Red"], ["$55.00", "$55.00", "$55.00", "$55.00"] ] ["small", ["yellow", "green", "Blue", "Red"], ["$55.00", "$55.00", "$55.00", "$55.00"] ] ] I am trying to get to the ["yellow", "green", "Blue"] array's length and loop to get the values for(i=0; colorNSize.dataArray[0][0][1].length<i; i++){ alert(colorNSize.dataArray[colorNSize.Sizeindex][0][0][i])// alert's nothing } It actually alerts the length of "Large" which is "5" is there a limit for nested arrays? Can this be done?

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  • Xsl mime type problem

    - by savruk
    Hi, I have a busybox with lighttpd running on as http server. My problem is while firefox and opera can get the page with applied xsl, Arora(webkit) can not. Here is the script I use to get it work: <html> <head> <script> function loadXMLDoc(dname) { if (window.XMLHttpRequest) { xhttp=new XMLHttpRequest(); } else { xhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xhttp.open("GET",dname,false); xhttp.send(""); return xhttp.responseXML; } function querySt(ji) { hu = window.location.search.substring(1); gy = hu.split("&"); for (i=0;i<gy.length;i++) { ft = gy[i].split("="); if (ft[0] == ji) { return ft[1]; } } } function displayResult() { xml=loadXMLDoc("sample.xml"); alert(xml)//Gives [object Document] $scan=querySt("scan"); $sub = querySt("sub"); xsl=loadXMLDoc("sample.xsl"); alert(xsl)//Gives Null // code for IE if (window.ActiveXObject) { ex=xml.transformNode(xsl); document.getElementById("example").innerHTML=ex; } // code for Mozilla, Firefox, Opera, etc. else if (document.implementation && document.implementation.createDocument) { xsltProcessor=new XSLTProcessor(); xsltProcessor.importStylesheet(xsl); xsltProcessor.setParameter(null,"scan",$scan) if($sub != ""){ xsltProcessor.setParameter(null,"sub",$sub) } resultDocument = xsltProcessor.transformToFragment(xml,document); document.getElementById("example").appendChild(resultDocument); } } </script> </head> <body onload="displayResult()"> <div id="example" ></div> </body> </html> I tried to see if it load xsl well and put an alert(xsl) but it gives null. Other browser can get xml and xsl files perfectly. What can be the problem? Thanks P.S: It runs well on my local server with all browser.

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  • jquery ajax image

    - by Nishima
    Hi all, I am sending an ajax request on dblick for creating the image of the screen where it is double clicked.I am ising imagegrabscreen() function of PHP to create image but instead of creating its image it is creates a black image. dblclick(function (ev,ui) { var response = $.ajax({ type:"POST", url: "grabImage.php", data:"name=John&location=Boston&function_name=img", complete: function(msg){ var resp = msg.responseText; if(msg && msg.readyState != 4) { alert("Ready State :"+msg.readyState); return; } else{ //wb_load(); alert( "Data Saved: " + resp); } } }); } ); GRAB IMAGE FUNCTION function img() { $im = imagegrabscreen(); imagepng($im, "C:\myscreenshot.png"); //echo $im; //imagedestroy($im); return $im; define('imge',$im); }

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  • How to structure javascript callback so that function scope is maintained properly

    - by Chetan
    I'm using XMLHttpRequest, and I want to access a local variable in the success callback function. Here is the code: function getFileContents(filePath, callbackFn) { var xhr = new XMLHttpRequest(); xhr.onreadystatechange = function() { if (xhr.readyState == 4) { callbackFn(xhr.responseText); } } xhr.open("GET", chrome.extension.getURL(filePath), true); xhr.send(); } And I want to call it like this: var test = "lol"; getFileContents("hello.js", function(data) { alert(test); }); Here, test would be out of the scope of the callback function, since only the enclosing function's variables are accessible inside the callback function. What is the best way to pass test to the callback function so the alert(test); will display test correctly?

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  • Validate Canadian Postal Code Regex

    - by Alex Block
    I have a script written in JavaScript to Validate Canadian Postal Codes using Regex, however it does not seem to be working. Here is the script: If statement: if (myform.zip.value == "" || myform.zip.value == null || myform.zip.value == "Postal Code" || myform.zip.value.length < 12 ) { alert("Please fill in field Postal Code. You should only enter 7 characters"); myform.zip.focus(); return false; } Function: function okNumber(myform) { var regex = /^[ABCEGHJKLMNPRSTVXY]{1}\d{1}[A-Z]{1} *\d{1}[A-Z]{1}\d{1}$/; if (regex.test(myform.zip.value) == false) { alert("Input Valid Postal Code"); myform.zip.focus(); return false; } return true; }

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  • FACING ERROR WHILE CALLING AXIS2 WEB SERVICE ...

    - by darshanv
    Hello , I am new to axis ,I have created a web servcie with couple of methods using axis2 and deployed it on tomcat.And am calling that web service from my android program with the help of ksoap.But wen i call a method which doesn't take any parameter am gettin fine reply from web service which i can able to see on my screen,But wen i call anothr method which takes a string argument am getting namespace exception on server WEB SERVICE CODE IS ..... package Guru; public class DarshanSays { public String getMsg(String h) { return h+" ..the power of change is eVolution..."; } public String getEmpty(String d)throws Exception { return "empty string from tomcattttttttttt"; } } //AND program is String soap_action="http://Guru/getEmpty"; String method_nm="getEmpty"; String nmspc="http://Guru/"; String url7="//192.168.10.182:8080/axis2/services/Friday";//http: SoapObject request = new SoapObject(url7,method_nm); /*sending method parameters with SoapObject */ request.newInstance(); request.addProperty("h","darshan.....");//sending a parameter to a method SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11); envelope.bodyOut=request; envelope.dotNet = true; envelope.encodingStyle = SoapSerializationEnvelope.XSD; Log.d("Step","3"); envelope.dotNet=true; /*setting outputsoap object sending request */ envelope.setOutputSoapObject(request); /*HttpTransportSE object creating sending it url */ androidHttpTransport = new HttpTransportSE(url7); //androidHttpTransport.setXmlVersionTag(""); Log.d("Step","4"); try{ androidHttpTransport.debug=true; androidHttpTransport.call(nmspc,envelope); } catch(Exception e) { Log.d("Transportcall",""+e); alert=new AlertDialog.Builder(this); alert.setMessage(""+e); alert.show(); } //exception is throw. Log.d("Step","5"); try { Log.d("giving...","resp"); SoapPrimitive sp=(SoapPrimitive)envelope.getResponse(); String hh=sp.toString(); Log.d("reply from web ser",".."+hh.toString()); //and erorr msg is SoapFault - faultcode:'soapenv:Server' faultstring: 'namespace mismatch require http://Guru found 192.168.10.182:8080/axis2/services/Friday' faultactor: 'null' detail: org.kxml2.kdom.Node@43d31390 ERROR IS coming only when am calling parameterized method. I am facing this issue only when am giving a call to parameterized method. Please Help.. thanks Darshan V

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  • wxWidgets errors occur after upgrading gDEBugger

    - by acekiller
    all. Today I upgraded my gDEBugger (though I don't think it involves gDEBugger) to the latest version but problem occurs. When I tried to open gDEBugger, an alert window named "wxWidgets Debug Alert" pop-up, reporting that "....\src\common\xpmdecod.cpp(822):assert "i==colors_cnt" failed in wxXPMDecoder::ReadData(). Call stack: [00]wxConsole....balabala....", like follows. All these words seem just like warnings and didn't affect the following work, however I am wondering why this problem occurs? What's the root cause? I am not familiar with wxWidgets and hopes those guru on it can help me resolve it.

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  • How to read directory using jQuery .ajax()?

    - by C.W.Holeman II
    Using jQuery .ajax() to read "./ex.html" returns the expected contents of the file. Using the same call just changing the request to "./" does not return an expected directory listing. <html> <head> </head> <body> <script type="text/JavaScript" src="jquery.js"></script> <script type="text/JavaScript"> alert($.ajax({type: "GET", url: './ex.html', async: false}).responseText); alert($.ajax({type: "GET", url: './', async: false}).responseText); </script> </body> </html>

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  • Privacy setting using Graph API

    - by Anthony
    Hello, I'm currently trying to se privacy setting on post I do through Graph API, code is: function graphStreamPublish(){ message1 = document.getElementById('message').value; FB.api('/me/feed', 'post', { message: message1 }, privacy: {value: "CUSTOM", friends: "SOME_FRIENDS", network: "1", allow: "204506204", deny: "515592311", function(response) { if (response && response.post_id) { alert('Post was not published.'); } else { alert('Post was published.'); } }); } Then I just call this function for the things I right on textarea: <center><textarea id="message" cols="50" rows="5">Test goes here!</textarea></center> <br /> <center><a href="" onclick="graphStreamPublish(); return false;">Post message now!</a></center> This does not work however woth the privacy part but works fine without. Am i doing something wrong? Thanks.

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  • How to check for empty values on two fields then prompt user of error using javascript

    - by Matthew
    Hello guys, I hope I can explain this right I have two input fields that require a price to be entered into them in order for donation to go through and submit. The problem that I am having is that I would like the validation process check to see if one of the two fields has a value if so then proceed to submit. If both fields are empty then alert. This is what I have in place now: function validate_required(field,alerttxt) { with (field) { if (value==null||value=="") {alert(alerttxt);return false;} else {return true} } } function validate_form(thisform) { with (thisform) { if (validate_required(input1,"Need a donation amount to continue")==false) {input1.focus();return false;} else if (validate_required(input2,"Need a donation amount to continue")==false) {input2.focus();return false;} } } I would like to ultimately like to get this over to Jquery as well Thanks guys any help would do Matt

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  • In javascript, how do I find out the name of a function from within that function?

    - by roryhewitt
    The title should make it clear. Is it possible from within a function to determine the name of that function? Basically, I'm adding some debugging code to a number of functions, and I'd like to be able to simply add the following line inside every function: if (global_debugOn) alert("Processing function " + function-name); How can I get 'function-name'? Yes, obviously I could simply type in the function name (after all I'm typing in the whole alert bit), but that's a hassle to do, especially if there is a nice simple way of retrieving it dynamically. Plus, as function names change during development, I'd like to keep it up-to-date... I hoped that maybe the arguments attribute might hold this (e.g. arguments[0], like in C), but I couldn't get it to work. I'm not even sure if arguments works anyway. Thanks! Rory

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  • asp.net mvc json open dialog box problem

    - by mazhar kaunain baig
    function postForm() { $.ajax({ type: "POST", data: $("#myForm").serialize(), dataType: "json", url: '<%= Url.Action("JSONRequest","Home") %>', success: function(result) { window.alert(result.name); }, error : function() { window.alert('error'); } }); } Html.BeginForm("JSONRequest", "Home", FormMethod.Post, new { id = "myForm" }); Html.TextBox("mazhar") <input type="submit" onclick="postForm" /> Html.EndForm(); public ActionResult JSONRequest(FormCollection form) { string a = form["mazhar"]; var data = new { name = "aaaa", Success = "Record is Succesfully Saved", ErrorMessages = "abc" }; return Json(data); } Ok the problem is that the dialog box is opening after running this code which is asking to save file. Can someone tell me how to resolve this issue?

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  • Can Ruby on Rails handle AJAX Response by Static Javascript code? by using RJS?

    - by Jian Lin
    So it looks like on RoR, when Ajax (using form_remote_tag) returns a success code, Javascript is also returned to handle the visual effects. (this is the RJS mechanism) using Fiddler, I do see the following response: try { Element.update("vote_score", "Score 58"); $("vote_score").visualEffect("highlight"); } catch (e) { alert('RJS error:\n\n' + e.toString()); alert('Element.update(\"vote_score\", \"Score 58\");\n$(\"vote_score\").visualEffect(\"highlight\");'); throw e } Will there be situation where the code is quite big (like 1 or 2k) that RJS can use some sort of static Javascript already loaded to handle the effect? Is there any other ways to use static Javascript already loaded with the page? Must it be just raw Javascript and use the Prototype's Ajax success response to call the static Javascript code, or can it be some Rails mechanism related to RJS?

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  • How to handle empty return from getJSON

    - by Gee
    Alright so I have a php script which gets results from a DB, and to get those results I'm using a jQuery script to pull the results via getJSON. It works perfectly but now I want to do something if the php script returns no results (empty). I tried: $.getJSON('path/to/script'), {parameter:parameter}, function(data){ if (data) { alert('Result'); } else { alert('Empty); } }); But it's no good. I've tried different things like if (data.length) but still nothing. I've noticed that if there is no returned data the callback will never fire at all. So if that's the case, how do I handle a empty return?

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  • Is there a standard way to encode a .NET string into javascript string for use in MS AJAX?

    - by Rich Andrews
    I'm trying to pass the output of a SQL Server exception to the client using the RegisterStartUpScript method of the MS ScriptManager. This works fine for some errors but when the exception contains single quotes the alert fails. I dont want to only escape single quotes though - Is there a standard function i can call to escape any special chars for use in Javascript? string scriptstring = "alert('" + ex.Message + "');"; ScriptManager.RegisterStartupScript(this, this.GetType(), "Alert", scriptstring , true); Thanks tpeczek, the code almost worked for me :) but with a slight amendment (the escaping of single quotes) it works a treat. I've included my amended version here... public class JSEncode { /// <summary> /// Encodes a string to be represented as a string literal. The format /// is essentially a JSON string. /// /// The string returned includes outer quotes /// Example Output: "Hello \"Rick\"!\r\nRock on" /// </summary> /// <param name="s"></param> /// <returns></returns> public static string EncodeJsString(string s) { StringBuilder sb = new StringBuilder(); sb.Append("\""); foreach (char c in s) { switch (c) { case '\'': sb.Append("\\\'"); break; case '\"': sb.Append("\\\""); break; case '\\': sb.Append("\\\\"); break; case '\b': sb.Append("\\b"); break; case '\f': sb.Append("\\f"); break; case '\n': sb.Append("\\n"); break; case '\r': sb.Append("\\r"); break; case '\t': sb.Append("\\t"); break; default: int i = (int)c; if (i < 32 || i > 127) { sb.AppendFormat("\\u{0:X04}", i); } else { sb.Append(c); } break; } } sb.Append("\""); return sb.ToString(); } } As mentioned below - original source: here

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  • Issues using $.ajax

    - by Nimbuz
    I want to load the lightbox javascript only when a certain condition is satisfied so I'm loading it using $.ajax like so: $.ajax({ url: "../static/js/lightbox.js", dataType: 'script', cache: true, success: function() { alert('loaded'); $("a.lightbox").lightbox({ opacity: "0.6", width: "940" }); }}); I see the "loaded" alert but the lightbox does not work. However, when I load the file directly (script src) from the HTML, lightbox works. How do I fix this? Many thanks for your help.

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