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  • Blackberry JDE JSON parsing?

    - by nwalker85
    Every tutorial I can find for parsing JSON with J2ME or Blackberry JDE points to this library: http://www.json.org/java/org.json.me.zip However, this is a dead link. And the googling, it does nothing. Can someone point me in the right direction?

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  • Generate JSON object with transactionReceipt

    - by Carlos
    Hi, I've been the past days trying to test my first in-app purchse iphone application. Unfortunately I can't find the way to talk to iTunes server to verify the transactionReceipt. Because it's my first try with this technology I chose to verify the receipt directly from the iPhone instead using server support. But after trying to send the POST request with a JSON onbject created using the JSON api from google code, itunes always returns a strange response (instead the "status = 0" string I wait for). Here's the code that I use to verify the receipt: - (void)recordTransaction:(SKPaymentTransaction *)transaction { NSString *receiptStr = [[NSString alloc] initWithData:transaction.transactionReceipt encoding:NSUTF8StringEncoding]; NSDictionary *jsonDictionary = [NSDictionary dictionaryWithObjectsAndKeys:@"algo mas",@"receipt-data",nil]; NSString *jsonString = [jsonDictionary JSONRepresentation]; NSLog(@"string to send: %@",jsonString); NSLog(@"JSON Created"); urlData = [[NSMutableData data] retain]; //NSURL *sandboxStoreURL = [[NSURL alloc] initWithString:@"https://sandbox.itunes.apple.com/verifyReceipt"]; NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"https://sandbox.itunes.apple.com/verifyReceipt"]]; [request setHTTPMethod:@"POST"]; [request setHTTPBody:[jsonString dataUsingEncoding:NSUTF8StringEncoding]]; NSLog(@"will create connection"); [[NSURLConnection alloc] initWithRequest:request delegate:self]; } maybe I'm forgetting something in the request's headers but I think that the problem is in the method I use to create the JSON object. HEre's how the JSON object looks like before I add it to the HTTPBody : string to send: {"receipt-data":"{\n\t\"signature\" = \"AUYMbhY ........... D0gIjEuMCI7Cn0=\";\n\t\"pod\" = \"100\";\n\t\"signing-status\" = \"0\";\n}"} The responses I've got: complete response { exception = "java.lang.IllegalArgumentException: Property list parsing failed while attempting to read unquoted string. No allowable characters were found. At line number: 1, column: 0."; status = 21002; } Thanks a lot for your guidance.

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  • Core Data - JSON (TouchJSON) on iPhone

    - by Urizen
    I have the following code which seems to go on indefinitely until the app crashes. It seems to happen with the recursion in the datastructureFromManagedObject method. I suspect that this method: 1) looks at the first managed object and follows any relationship property recursively. 2) examines the object at the other end of the relationship found at point 1 and repeats the process. Is it possible that if managed object A has a to-many relationship with object B and that relationship is two-way (i.e an inverse to-one relationship to A from B - e.g. one department has many employees but each employee has only one department) that the following code gets stuck in infinite recursion as it follows the to-one relationship from object B back to object A and so on. If so, can anyone provide a fix for this so that I can get my whole object graph of managed objects converted to JSON. #import "JSONUtils.h" @implementation JSONUtils - (NSDictionary*)dataStructureFromManagedObject:(NSManagedObject *)managedObject { NSDictionary *attributesByName = [[managedObject entity] attributesByName]; NSDictionary *relationshipsByName = [[managedObject entity] relationshipsByName]; //getting the values correspoinding to the attributes collected in attributesByName NSMutableDictionary *valuesDictionary = [[managedObject dictionaryWithValuesForKeys:[attributesByName allKeys]] mutableCopy]; //sets the name for the entity being encoded to JSON [valuesDictionary setObject:[[managedObject entity] name] forKey:@"ManagedObjectName"]; NSLog(@"+++++++++++++++++> before the for loop"); //looks at each relationship for the given managed object for (NSString *relationshipName in [relationshipsByName allKeys]) { NSLog(@"The relationship name = %@",relationshipName); NSRelationshipDescription *description = [relationshipsByName objectForKey:relationshipName]; if (![description isToMany]) { NSLog(@"The relationship is NOT TO MANY!"); [valuesDictionary setObject:[self dataStructureFromManagedObject:[managedObject valueForKey:relationshipName]] forKey:relationshipName]; continue; } NSSet *relationshipObjects = [managedObject valueForKey:relationshipName]; NSMutableArray *relationshipArray = [[NSMutableArray alloc] init]; for (NSManagedObject *relationshipObject in relationshipObjects) { [relationshipArray addObject:[self dataStructureFromManagedObject:relationshipObject]]; } [valuesDictionary setObject:relationshipArray forKey:relationshipName]; } return [valuesDictionary autorelease]; } - (NSArray*)dataStructuresFromManagedObjects:(NSArray*)managedObjects { NSMutableArray *dataArray = [[NSArray alloc] init]; for (NSManagedObject *managedObject in managedObjects) { [dataArray addObject:[self dataStructureFromManagedObject:managedObject]]; } return [dataArray autorelease]; } //method to call for obtaining JSON structure - i.e. public interface to this class - (NSString*)jsonStructureFromManagedObjects:(NSArray*)managedObjects { NSLog(@"-------------> just before running the recursive method"); NSArray *objectsArray = [self dataStructuresFromManagedObjects:managedObjects]; NSLog(@"-------------> just before running the serialiser"); NSString *jsonString = [[CJSONSerializer serializer] serializeArray:objectsArray]; return jsonString; } - (NSManagedObject*)managedObjectFromStructure:(NSDictionary*)structureDictionary withManagedObjectContext:(NSManagedObjectContext*)moc { NSString *objectName = [structureDictionary objectForKey:@"ManagedObjectName"]; NSManagedObject *managedObject = [NSEntityDescription insertNewObjectForEntityForName:objectName inManagedObjectContext:moc]; [managedObject setValuesForKeysWithDictionary:structureDictionary]; for (NSString *relationshipName in [[[managedObject entity] relationshipsByName] allKeys]) { NSRelationshipDescription *description = [[[managedObject entity]relationshipsByName] objectForKey:relationshipName]; if (![description isToMany]) { NSDictionary *childStructureDictionary = [structureDictionary objectForKey:relationshipName]; NSManagedObject *childObject = [self managedObjectFromStructure:childStructureDictionary withManagedObjectContext:moc]; [managedObject setValue:childObject forKey:relationshipName]; continue; } NSMutableSet *relationshipSet = [managedObject mutableSetValueForKey:relationshipName]; NSArray *relationshipArray = [structureDictionary objectForKey:relationshipName]; for (NSDictionary *childStructureDictionary in relationshipArray) { NSManagedObject *childObject = [self managedObjectFromStructure:childStructureDictionary withManagedObjectContext:moc]; [relationshipSet addObject:childObject]; } } return managedObject; } //method to call for obtaining managed objects from JSON structure - i.e. public interface to this class - (NSArray*)managedObjectsFromJSONStructure:(NSString *)json withManagedObjectContext:(NSManagedObjectContext*)moc { NSError *error = nil; NSArray *structureArray = [[CJSONDeserializer deserializer] deserializeAsArray:[json dataUsingEncoding:NSUTF32BigEndianStringEncoding] error:&error]; NSAssert2(error == nil, @"Failed to deserialize\n%@\n%@", [error localizedDescription], json); NSMutableArray *objectArray = [[NSMutableArray alloc] init]; for (NSDictionary *structureDictionary in structureArray) { [objectArray addObject:[self managedObjectFromStructure:structureDictionary withManagedObjectContext:moc]]; } return [objectArray autorelease]; } @end

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  • long delay between serverside JSON and jqGrid loadComplete on asp.net mvc site

    - by ooo
    i have an asp.net mvc site where i load a jqgrid with json data public ActionResult GridData(GridData args) { IEnumerable<Application> applications = EntityModel.GetAll().ToList(); applications = FilterEntities(applications); if (args.sidx.IsNullOrEmpty() || args.sidx == "Id") { args.sidx = "Name"; args.sord = "asc"; } applications = applications.GridSort(args.sidx, args.sord); var paginatedData = applications.GridPaginate(args.page ?? 1, args.rows ?? 10, i => new { i.Id, Name = "<div class='showDescription' Id= '" + i.MyId + "'>" + i.Name + "</div>", MyId = string.Format("<a i.LastUpdated, i.LastUpdatedColumn }); return Json(paginatedData); } and here is my javascript code: function doInitCrudGrid(controller, names, model, editable, querystring) { jQuery("#grid").jqGrid({ mtype: 'POST', url: "/" + controller + "/GridData?" + querystring, datatype: "json", colNames: names, colModel: model, imgpath: "/Scripts/jqGrid/themes/steel/images", rowNum: 20, rowList: [10, 20, 50, 999], altRows: true, altclass: "altRow", jsonReader: { root: "Rows", page: "Page", total: "Total", records: "Records", repeatitems: false, id: "Id" }, pager: "#pager", height: "auto", sortname: "Id", viewrecords: true, sortorder: "desc", loadComplete: function() { alert("Load Complete"); }, ondblClickRow: function(rowid) { } }); i have a breakpoint on the return Json(paginatedData); line and that gets hit very quick but after that it takes about 10 seconds for the: alert("Load Complete"); and for the rendering to show up on the web page. Is there anyway to debug this or way to see why there would be this large delay between finishing the server side json and histting the loadcomplete on the javascript callback ?

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  • parse json with ant

    - by paleozogt
    I have an ant build script that needs to pull files down from a web server. I can use the "get" task to pull these files down one by one. However, I'd like to be able to get a list of these files first and then iterate over the list with "get" to download the files. The webserver will report the list of files in json format, but I'm not sure how to parse json with ant. Are there any ant plugins that allow for json parsing?

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  • How to serialize and unserialize to/from a C# class?

    - by Earlz
    Hello, I have an object in Javascript that looks like this function MyObject(){ this.name=""; this.id=0; this..... } I then stringify an array of those objects and send it to an ASP.Net web service. Now what I want to do is do some processing on the JSON objects given to the webservice and return a JSON array of the same type of objects(same field names and such) How would I do this easily? I am using Netwonsoft.Json. Is there some way to turn a JSON string into a List or Array of an object?

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  • Problem passing json into jquery graph(flot)

    - by Adam McMahon
    I trying to retrieve some json to pass into a flot graph. I know that json is right because I hard coded it to check, but I'm pretty sure that I'm not passing right because It's not showing up. Here's the javascript: var total = $.ajax({ type: "POST", async: false, url: "../api/?key=xxx&api=report&crud=return_months&format=json" }).responseText; //var total = $.evalJSON(total); var plot = $.plot($("#placeholder"),total); here's the json: [ { data: [[1,12], [2,43], [3,10], [4,17], ], label: "E-File"}, { data: [[1,25], [2,35], [3,3], [4,5], ], label: "Bank Products" }, { data: [[1,41], [2,87], [3,30], [4,29], ], label: "All Returns" } ], {series: {lines: { show: true },points: { show: true }}, grid: { hoverable: true, clickable: true }, yaxis: { min: 0, max: 100 }, xaxis: { ticks: [[1,"January"],[2,"February"],[3,"March"],[4,"April"],[5,"May"],[6,"June"],[7,"July"],[8,"August"],[9,"September"],[10,"October"],[11,"November"],[12,"December"]] }}

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  • Best json parser for qt?

    - by Martin
    I'm using QT for Symbian and need a simple json parser. I need to be able to go from json to Qt-variant and the other way around. Is there a simple json parser that I can use? I don't want to write my own. What is the best way to go? Thanks!

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  • Spring 3 JSON with MVC

    - by stevedbrown
    Is there a way to build Spring Web calls that consume and produce application/json formatted requests and responses respectively? Maybe this isn't Spring MVC, I'm not sure. I'm looking for Spring libraries that behave in a similar fashion to Jersey/JSON. The best case would be if there was an annotation that I could add to the Controller classes that would turn them into JSON service calls. A tutorial showing how to build Spring Web Services with JSON would be great. EDIT: I'm looking for an annotation based approach (similar to Jersey). EDIT2: Like Jersey, I am looking for REST support (POST,GET,DELETE,PUT). EDIT3: Most preferably, this will be the pom.xml entries and some information on using the spring-js with jackson Spring native version of things.

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  • Parsing Json Feeds with google Gson

    - by mnml
    I would like to know how to parse a json feed by items, eg. url / title / description for each item. I have had a look to the doc / api but, it didn't help me. This is what I got so far import com.google.gson.Gson; import com.google.gson.JsonObject; public class ImportSources extends Job { public void doJob() throws IOException { String json = stringOfUrl("http://feed.test/all.json"); JsonObject jobj = new Gson().fromJson(json, JsonObject.class); Logger.info(jobj.get("responseData").toString()); } public static String stringOfUrl(String addr) throws IOException { ByteArrayOutputStream output = new ByteArrayOutputStream(); URL url = new URL(addr); IOUtils.copy(url.openStream(), output); return output.toString(); } }

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  • jQuery autocomplete: taking JSON input and setting multiple fields from single field

    - by Sly
    I am trying to get the jQuery autocomplete plugin to take a local JSON variable as input. Once the user has selected one option from the autocomplete list, I want the adjacent address fields to be autopopulated. Here's the JSON variable that declared as a global variable in the of the HTML file: var JSON_address={"1":{"origin":{"nametag":"Home","street":"Easy St","city":"Emerald City","state":"CA","zip":"9xxxx"},"destination":{"nametag":"Work","street":"Factory St","city":"San Francisco","state":"CA","zip":"94104"}},"2":{"origin":{"nametag":"Work","street":"Umpa Loompa St","city":"San Francisco","state":"CA","zip":"94104"},"destination":{"nametag":"Home","street":"Easy St","city":"Emerald City ","state":"CA","zip":"9xxxx"}}}</script> I want the first field to display a list of "origin" nametags: "Home", "Work". Then when "Home" is selected, adjacent fields are automatically populated with Street: Easy St, City: Emerald City, etc. Here's the code I have for the autocomplete: $(document).ready(function(){ $("#origin_nametag_id").autocomplete(JSON_address, { autoFill:true, minChars:0, dataType: 'json', parse: function(data) { var rows = new Array(); for (var i=0; i<=data.length; i++) { rows[rows.length] = { data:data[i], value:data[i].origin.nametag, result:data[i].origin.nametag }; } return rows; } }).change(function(){ $("#street_address_id").autocomplete({ dataType: 'json', parse: function(data) { var rows = new Array(); for (var i=0; i<=data.length; i++) { rows[rows.length] = { data:data[i], value:data[i].origin.street, result:data[i].origin.street }; } return rows; } }); }); }); So this question really has two subparts: 1) How do you get autocomplete to process the multi-dimensional JSON object? (When the field is clicked and text entered, nothing happens - no list) 2) How do you get the other fields (street, city, etc) to populate based upon the origin nametag sub-array? Thanks in advance!

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  • JSOn.Net library JsonConvert

    - by ozsenegal
    I'm using http://json.codeplex.com library.Im trying to convert XML to JSON and vice-versa. However they have an example,using "JsonConvert" class XmlDocument doc = new XmlDocument(); doc.LoadXml(xml); string jsonText = JsonConvert.SerializeXmlNode(doc); I cant find "JsonConvert" in namespace "Newtonsoft.Json".Only class i've found is "JavaScriptConvert". Any ideas?

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  • Using JSON with jRails

    - by Zachary
    I am currently trying to use AJAX in my application via jRails. I am trying to return a JSON object from my controller, and then parse it in my Javascript. I am using json2.js to do the parsing. Here is the code I currently have: function getSomething() { $.ajax({ type: "GET", url: "map/testjson", success: function(data) { var myData = JSON.parse(data[0]); window.alert(myData.login); } }); } and in the controller: class Map::MapController < ApplicationController def index end def testjson @message = User.find(:all) ActiveRecord::Base.include_root_in_json = false respond_to do |w| w.json { render :json => @message.to_json } end end end The window.alert simply says 'undefined' (without tics). However, if I change the javascript to window.alert(data) (the raw object returned by the controller) I get: [{"salt":"aSalt","name":"", "created_at":"2010-03-15T02:34:25Z","remember_token_expires_at": null,"crypted_password":"aPassword", "updated_at":"2010-03-15T02:34:25Z","id":1,"remember_token":null, "login":"zgwrig2","email":"[email protected]"}] This looks like an array of size 1, if I'm looking at it correctly, but I have tried just about every combination of JSON.parse on the data object that I can think of, and nothing seems to work. Any ideas on what I'm doing wrong here?

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  • Will JSON replace XML as a data format?

    - by 13ren
    When I first saw XML, I thought it was basically a representation of trees. Then I thought: the important thing isn't that it's a particularly good representation of trees, but that it is one that everyone agrees on. Just like ASCII. And once established, it's hard to displace due to network effects. The new alternative would have to be much better (maybe 10 times better) to displace it. Of course, ASCII has been (mostly) replaced by Unicode, for internationalization. According to google trends, XML has a x43 lead, but is declining - while JSON grows. Will JSON replace XML as a data format? (edited) for which tasks? for which programmers/industries? NOTES: S-expressions (from lisp) are another representation of trees, but which has not gained mainstream adoption. There are many, many other proposals, such as YAML and Protocol Buffers (for binary formats). I can see JSON dominating the space of communicating with client-side AJAX (AJAJ?), and this possibly could back-spread into other systems transitively. XML, being based on SGML, is better than JSON as a document format. I'm interested in XML as a data format. XML has an established ecosystem that JSON lacks, especially ways of defining formats (XML Schema) and transforming them (XSLT). XML also has many other standards, esp for web services - but their weight and complexity can arguably count against XML, and make people want a fresh start (similar to "web services" beginning as a fresh start over CORBA).

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  • Rails - How can I display nicely indented JSON?

    - by sa125
    Hi - I have a controller action that returns JSON data for api purposes, and plenty of it. I want to be able to inspect it in the browser, and have it nicely indented for the viewer. For example, if my data is data = { :person => { :id => 1, :name => "john doe", :age => 30 }, :person => ... } I want to see { "person" : { "id" : 1, "name" : "john doe", "age" : 30, }, "person" : { "id" : 2, "name" : "jane doe", "age" : 31, }, ...etc } In the view. I thought about using different routes to get the bulk/pretty data: # GET /api/json # ... respond_to do |format| format.html { render :json => data.to_json } end # GET /api/json/inspect # ... respond_to do |format| format.html { render :text => pretty_json } end Anyone knows of a gem/plugin that does this or something similar? I tried using JSON.pretty_generate, but it doesn't seem to work inside rails (2.3.5). thanks.

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  • understanding json

    - by Yang
    JSON stands for JavaScript Object Notation. But how come languages like php, java, c etc can also communication each other with json. What I want to know is that, am i correct to say that json is not limited to js only, but served as a protocol for applications to communicate with each other over the network, which is the same purpose as XML?

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  • Ruby data structure to render a certain JSON format

    - by dt
    [{"id":"123","name":"House"}, {"id":"1456","name":"Desperate Housewives"}, {"id":"789","name":"Dollhouse"}, {"id":"10","name":"Full House"} ] How can I render to produce this JSON format from within Ruby? I have all the data from the DB (@result) and don't know what data structure to use in Ruby that will render to this when I do this: respond_to do |format| format.json { render :json = @result} end What data structure should @result be and how can I iterate to produce it? Thank you!

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  • Handling Unknown JSON Properties with Jackson

    - by henrik_lundgren
    Hi, For deserializing json with unknown field into an object there's @JsonAnySetter. But what if I read such json into my object, modify some known fields and write it back to json? The unknown properties will be lost. How do I handle such cases? Is it possible to map an object or do I have to read the data into a JsonNode or Map?

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  • jQuery Autocomplete Json Ajax cross browser issue with Google Search Appliance

    - by skyfoot
    I am implementing a jquery autocomplete on a search form and am getting the suggestions from the Google Search Appliance Autocomple suggestions service which returns a result set in json. What I am trying to do is go off to the GSA to get suggestions when the user types something in the search box. The url to get the json suggestions is as follows: http://gsaurl/suggest?q=<query>&max=10&site=default_site&client=default_frontend&access=p&format=rich The json which is returned is as follows: { "query":"re", "results": [ {"name":"red", "type":"suggest"}, {"name":"read", "type":"suggest"}] } The jQuery autocomplete code is as follows: $(#q).autocomplete(searchUrl, { width: 320, dataType: 'json', highlight: false, scroll: true, scrollHeight: 300, parse: function(data) { var array = new Array(); for(var i=0;i<data.results.length;i++) { array[i] = { data: data.results[i], value: data.results[i].name, result: data.results[i].name }; } return array; }, formatItem: function(row) { return row.name; } }); This works in IE but fails in firefox as the data returned in the parse function is null. Any ideas why this would be the case? Workaround I created an aspx page to call the GSA suggest service and to return the json from the suggest service. Using this page as a proxy and setting it as the url in the jQuery autocomplete worked in both IE and FireFox.

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  • Custom string formatting in Grails JSON marshaller

    - by ethaler
    I am looking for a way to do some string formatting through Grails JSON conversion, similar to custom formatting dates, which I found in this post. Something like this: import grails.converters.JSON; class BootStrap { def init = { servletContext -> JSON.registerObjectMarshaller(String) { return it?.trim() } } def destroy = { } } I know custom formatting can be done on a per domain class basis, but I am looking for a more global solution.

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  • JSON is used only for JavaScript?

    - by Bob Smith
    I am storing a JSON string in the database that represents a set of properties. In the code behind, I export it and use it for some custom logic. Essentially, I am using it only as a storage mechanism. I understand XML is better suited for this but I read that JSON is faster and preferred. Is it a good practice to use JSON if the intention is not to use the string on the client side?

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  • JSON stringify standalone function for JavaScript

    - by karlthorwald
    I know of YUI who has a JSON.stringify utility and also of JSON2 from json.org. What are other good implementations of JSON.stringify? It should also work in IE6, IE7 and not depend on a framework. If it depends on anything this should be easily included all in one file. Edit: I could easily use jquery-json, which was suggested in the comments of the accepted answer. It did what I wanted. (It depends on jquery but that was easily solved)

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  • Loading google datatable using ajax/json

    - by puff
    I can't figure out how to load a datable using ajax/json. Here is my json code in a remote file (pie.json) { cols: [{id: 'task', label: 'Task', type: 'string'}, {id: 'hours', label: 'Hours per Day', type: 'number'}], rows: [{c:[{v: 'Work'}, {v: 11}]}, {c:[{v: 'Eat'}, {v: 2}]}, {c:[{v: 'Commute'}, {v: 2}]}, {c:[{v: 'Watch TV'}, {v:2}]}, {c:[{v: 'Sleep'}, {v:7, f:'7.000'}]} ] } This is what I have tried so far but it doesn't work. <script type="text/javascript" src="http://www.google.com/jsapi"></script> <script type="text/javascript"> google.load("visualization", "1", {packages:["piechart"]}); function ajaxjson() { jsonreq=GetXmlHttpObject(); jsonreq.open("GET", "pie.json", true); jsonreq.onreadystatechange = jsonHandler; jsonreq.send(null); } function jsonHandler() { if (jsonreq.readyState == 4) { var res = jsonreq.responseText; google.setOnLoadCallback(drawChart); function drawChart() { var data = new google.visualization.DataTable(res, 0.6) var chart = new google.visualization.PieChart(document.getElementByI('chart_div')); chart.draw(data, {width: 400, height: 240, is3D: true}); } // end drawChart } // end if } // end jsonHandler function GetXmlHttpObject() { var xmlHttp=null; xmlHttp=new ActiveXObject("Microsoft.XMLHTTP"); return xmlHttp; } Things work perfectly if I replace the 'res' variable with the actual code in pie.json. Any help would be greatly appreciated.

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