It takes various parameters url, type, data, dataType, beforeSend. css js/ ajax-json. function ajax. User experience plays a vital role in excellent web design. I can make an assumption that you are either using jQuery or AngularJS light version of jQuery (or some other way) to make an AJAX request from your client to the server. For that, I have created one controller "JQueryAjaxCallController" with the post action method "AjaxPostCall" and a class "Employee" as below. JSON can encode strings, numbers, booleans, and null values, as well as objects and arrays composed of those types. Let's look at how we would we write a unit test for this code (there is a list of the tools and libraries used during testing at the bottom of this post). Using AJAX in Laravel. This information can be verified and trusted because it is digitally signed. 4: PROC JSON, a procedure that creates a JSON Object or JSON Array based on data from a SAS data set. NET MVC developer. How to pass JSON Object string or JSONArray string from javascript to spring controller Spring @Cacheable and @CacheEvict explained in simple terms How to send multiple rows of data to Spring Controller Java9: Welcome to Module world Angular 4: Service example Spring AOP explained in simple terms. Please note the formation of the data that we are collecting from the HTML form. In most of the browser based application, WCF can be consumed using javascript or jquery. Send JSON object to Struts 2 Action by JQuery AJAX Posted on May 9, 2014 by Rajesh To send data from client side to server side, one of the best way is send as JSON object. ajax のオプションで contentType: 'application/json' を指定する。 data の値を JSON. It is used primarily to transmit data between a server and web application, as an alternative to XML. Time to sort things out and write it down. This is the RESTful ASPSMS JSON API to connect to the ASPSMS System. First you need to get your timestamps in to Date() objects, which is simple using the constructor. Send JSON data via POST (ajax) and receive json response from Controller (MVC) can anyone little explain why we need this while if someone sending json object?. If you access the JSON object like it is an associative array you can work. For most CSRF, the way to get around this is plain HTML forms, since form submission is not subject. JSONRequest is a global JavaScript object. Add a “Like Button”¶ It would be nice to let user, who are registered, denote that they “like” a particular category. You’re probably familiar with jQuery’s $. ajaxSetup(). It is commonly used for transmitting data in web applications (e. Net WebMethod GetCity which accepts a custom JSON object City with 2 properties (Name and Population). Getting Started npm install do-ajax --save Overview. Sending a large amount of data to the server (POST has no size limitations). NET Core How to post complex JSON data to server in ASP. Let's look at how we would we write a unit test for this code (there is a list of the tools and libraries used during testing at the bottom of this post). if you post data like this. AJAX provides facility to get response asynchronously. ajax() POST request and the Model class object will be passed as JSON object from View in ASP. Passing Json Objects to C# MVC Controllers via AJAX. How Do We Load JSON into a Project? One of the easiest ways to load JSON data into our web applications is to use the $. Send JSON object to Struts 2 Action by JQuery AJAX Posted on May 9, 2014 by Rajesh To send data from client side to server side, one of the best way is send as JSON object. JSON stands for JavaScript. We are ready to send it over the wire or put into a plain data store. Traditionally "POST" is used when the information you're sending exceeds a certain size First, I'm bringing back our generic function for creating an Ajax object instance. how to send ajax request in jQuery with data encoded // send the object to the server as post data. NET Ajax client templating preview, it sends objects to an URL as JSON objects. Die JavaScript Object Notation, kurz JSON [ˈdʒeɪsən], ist ein kompaktes Datenformat in einer einfach lesbaren Textform zum Zweck des Datenaustauschs zwischen Anwendungen. NET object into a JSON string. A simple solution to this problem is to use a stringified JSON object posted to your controller. Finally, we sent an Ajax POST request to a PHP script called json-receive. "application/json; charset received by the object. Another major advance to JavaScript and Ajax is the JavaScript object library called jQuery. So, this is the implementation of the client-side code. When posting raw body content to ASP. Those Ajax methods are based of course in jQuery, so if you are familiar with the latter, learning to use them will be a piece of cake. ajax android angular api button c++ class database date dynamic exception file function html http image input java javascript jquery json laravel list mysql object oop ph php phplaravel phpmysql phpphp post python sed select spring sql string text time url view windows wordpress xml. SuperAgent is light-weight progressive ajax API crafted for flexibility, readability, and a low learning curve after being frustrated with many of the existing request APIs. Handling Larger JSON String Values in. In JSON first the JavaScript object is converted into JSON text and sends it to the server. NET MVC, save and load in database is performed using AJAX Post method. The ajax option also allows for more advanced configuration such as altering how the Ajax request is made. js module EasyPost, available via npm. i showed you already. Above you will notice that on the click event of the HTML button btnCity I am making a jQuery AJAX call to the ASP. That's why its normally used when submitting a complete form. In the following workflow, we will let users “like” categories, but we will not be keeping track of what categories they have “liked”, we’ll be trusting them not to click the like button multiple times. Post an object as data using Jquery Ajax. Send JSON Data from the Client Side. By default, AJAX is an asynchronous call which means there is no delay between the requests. JSON supports following data types String Number Boolean Array Object Null 45 from CSSE 104 at Sree Vidyanikethan Engineering College. AJAX is not a programming language. AJAX JSON Example. Send JSON via AJAX. In my experience, I’ve encountered two primary web service return formats: XML and JSON. Here, I’ve decided to simply submit the form normally. this works fine when i post singular values, but i cannot get it to work when passing an array of data. net jQuery ajax JSON Example, WebMethod. AJAX GET & Spring MVC Example; AJAX POST & Spring MVC Example; AJAX POST JSON Data & Spring MVC Example; Consuming RESTful APIs with ngResource and Spring MVC; Post with RESTful APIs, ngResource and Spring MVC; Single Page App with RESTful APIs; How to Create Custom Service; Custom Directives Hello World. Define an order object with CustomerName property. In the past if you needed to create a JSON object based on SAS data either for a file or to display on the web as a response of a SAS/IntrNet call, one would have to craft the. A default can be set for any option with $. Therefore we set the following properties in the AJAX request so our controller will be able to understand what he receives: contentType: ‘application. Sending complex JSON objects to Asp. The next part is the interesting part of the code. Potential is limitless for what you can do when you start using AJAX. getJSON(url, postDataJSONObject, callback_function): Similar with. In recent years, JSON (JavaScript Object Notation) has taken over in many cases due to its overall efficiency and ease of use. The post was useful. An object and its JSON version. It is used to exchange the data between the server and the browser. ajax method: you pass it an options object. responseText string to JSON object. jQuery Send & Receive JSON Object using ajax post asp net mvc with Example. In general, JSON is a much less verbose syntax, which has gained a lot of popularity in modern JavaScript frameworks. Send a request to the PHP file, with the JSON string as a parameter. For example: >>> import json. Now to do a submit here (POST), I have two options: Use Ajax: Simply I can just use jquery. The value is a JSON object that contains function advertisement name/value. We created the JSON object (which on the server side is just an object) and created properties associated with the JSON object. This means that, a priori, a well-formed JSON object can have multiple members that have the same field name. This is the RESTful ASPSMS JSON API to connect to the ASPSMS System. I have an array (object) which uses key / value pairs and I'd like to use it as data and send it to PHP as JSON. Skip navigation Sign in. doesn't matter to use ajax or not you always can eval the json-string when you have it in your case you would simulate it when you hide your iframe ;) typically we use that as an. ajax({ type: "POST", url: JQuery Ajax data - how to send a "object in object" to JSON server? - jQuery Forum. As you may have guessed from the title of this post, Internet Explorer 8, as of Beta 2, offers native JSON parsing and serialization. Access Tweet objects and get JSON data to your webpage; POST to Twitter from your webpage; GET tweet objects; Exercise : Build a mini application to search tweets and post to twitter. This function also returns a JSON object of type City with the same 2 properties (Name and Population). The jQuery code hooks up success and failure events. Why your [FromBody] parameter is always NULL 12 May 2015 on asp. This includes support for generating JSON responses and binding JSON requests using the Spring MVC @Controller programming model. getting JSON response in Ext. The returned JSON output is an array whose members are JSON objects. to_json and get JSON strings. js simple library for manipulating the dom created and maintained by Cristian Dolce. data option can be used to modify the data DataTables submits to the server upon an Ajax request, by manipulating the original data object DataTables constructs internally, or by replacing it completely. Using AJAX to Update Content. Hello C oşkun,. stringify()" (the link leeds to the Mozialle Developer Center - the same thing is in the MSDN) which transforms an object into JSON. Object (collection of key/value pairs, comma-separated and enclosed in curly brackets) null; Syntax The following example shows the JSON representation of an object that describes a person. Keys must be strings, and values must be a valid JSON data type (string, number, object, array, boolean or null). In general, JSON is a much less verbose syntax, which has gained a lot of popularity in modern JavaScript frameworks. AJAX provides facility to get response asynchronously. "application/json; charset received by the object. Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. You have to create separate json object for each array of data you want to send from your servlet and then form a single json object that is an array of all the other json objects you created before. We’re defining an object that contains a ‘msg’ property (same name of the function parameter) which in turn contains another object (defined by the same properties that our Message object have, to allow JSON deserialization to work). As POST is the only way specified, this route will deny any other http requests (such as GET). This includes support for generating JSON responses and binding JSON requests using the Spring MVC @Controller programming model. It lets you specify metadata (data about data) about what an object’s properties mean and what values are valid for those properties. The jQuery Mockjax Plugin provides a simple and extremely flexible interface for mocking or simulating ajax requests and responses - jakerella/jquery-mockjax. In this example I am using a flat array for my JSON objects. The above script contains the following specifications (Line numbers in the code map with comments applied in the Post method. But, while most things are easy to do, the solution is not always immediately evident. xmlToJSON is a JavaScript function which converts XML to JSON. I have a bunch of objects which I would like to post with Ajax. This code snippet for. Assume you have a Person object defined as shown. You can also use AJAX to populate the tree with JSON your server returns. A JSON object is an object that can be used by javascript. NET Site MVC4 Web API application defines post method to save customer. AJAX GET & Spring MVC Example; AJAX POST & Spring MVC Example; AJAX POST JSON Data & Spring MVC Example; Consuming RESTful APIs with ngResource and Spring MVC; Post with RESTful APIs, ngResource and Spring MVC; Single Page App with RESTful APIs; How to Create Custom Service; Custom Directives Hello World. This Ajax API makes it possible to add items to the cart, update quantities in the cart, and fetch information about the cart, without a page refresh. That example involved a scenario in which you had control of the […]. This is how you can generate data for use with AJAX using a “POST” method which contains JSON data and then pass it to a PHP script and then decode ready to use as variables (name value pairs). NET ASMX AJAX Web Service In ASP. Hi, when using a jquery ajax call like this, I get un unresolved method field because data is not declared as an object with method field but data is a value set through ajax call, so I cannot declare it's structure in advance. NET method using jQuery Ajax making HTTP POST request with headers. function ajax. In MVC, an Action Method in a Controller can return a JsonResult. Besides simple requests, this module also deals in a smart way with JavaScript code returned from a server and provides helper classes for polling. Spring Framework + Jquery Ajax Request and Json Response Example. We are ready now to add JQUERY into our project. Then it returns JSON ( or even string , I can parse it ) and I use that return to create my chart. How to fix this so that posted data will passed as customer object ?. Once received, it can be converted into an object and used in a script. You can read the file entirely in an in-memory data structure (a tree model), which allows for easy random access to all…. Ajax() POST request containing data in JSON format to the server, and how to receive this JSON content, parse it and map it into Java objects in the server "servlet" side. Hi, How to read Ajax passed JSON object in. stringify(value[, replacer[, space]]) Where – value – The JSON object to convert to a JSON string. I have been putting it off for some time now. Using the AJAX object can sometimes involve custom server-side scripting which is beyond the scope of this manual, but requesting. In this example I will show you how to do Ajax with jQuery and how to process multidimensional JSON data table coming in through Ajax. JSON is the most popular format to send data between applications. JSON Tutorial for Beginners - Learn JSON in simple and easy steps starting from basic to advanced concepts with examples including JSON with its Overview, Syntax, DataTypes, Objects, Schema, Comparison with XML, Examples, PHP, Perl, Python, Ruby, Java, Ajax. In the options parameter, we have specified a type option as a POST, so ajax() method will send http POST request. For example:. I have a simple example where it is properly getting the JSON object from the servlet called data and it is simply. javascript - Reading JSON data in jQuery AJAX post output This question already has an answer here: Access / process (nested) objects, arrays or JSON 12 answers. ajax (with the verb POST of course) and content-type "application/json", and here the serialized order object will be sent to the destination controller action and ASP. JSON is a lightweight data-interchange format. The following JavaScript code shows the ajax call that return a json content type - note that the contentType is set to json and the data has to be JSON. Also, we have specified data option as a JSON object containing data which will be submitted to the server. If you're working with JSON (JavaScript Object Notation) and either need to convert a JSON string to array or object and loop through it or vice-versa, take an array or object and convert it to a JSON string to return, both can be done in PHP or JavaScript. NET MVC developer. data config option. Json is a lightweight interchange format, it is easily understood by human and machine also. NET method using jQuery Ajax making HTTP POST request with headers. Posted by: admin October 21, 2018 Leave a comment. There is an abstract CBV, AjaxableResponseMixin, based on the example form django docs, that is subclassed in the TaskUpdateView CBV. I have a complex object map (ie object A contains an instance of B as an instance variable, and B has objects C and D as instance variables and so on. I am passing Glass object from controller to view, which then serialized to Json object. But, while most things are easy to do, the solution is not always immediately evident. 가장 흔한 예가 Ajax를 사용할 경우이다. To start viewing messages, select the forum that you want to visit from the selection below. About Mkyong. Our demo will specifically look to build a simple form that allows us to book human resource for a project. The following HttpPost is executed when the jQuery AJAX call is made. NET MVC 5 and Entity Framework 6 Posted By: Ajay Saptaputre, 12 Oct,2015 | Total View : 30143. NET MVC View using JQuery Ajax. Today I'm gonna give you some code examples on how you can post a form and JSON data using jQuery AJAX. errors aren't hidden if there is no keypress (1) 3. In this example I am using a flat array for my JSON objects. In this Python Flask jQuery AJAX tutorial, we’ll focus on the client side of the web application. ajax call - jQuery Forum. Getting Json data using jQuery and. Send JSON data via POST (ajax) and receive json response from Controller (MVC) can anyone little explain why we need this while if someone sending json object?. A JQuery plugin to create AJAX based CRUD etc. CORS, AJAX, and POST data in Web API Brian mentioned the CORS AJAX code we wrote, Next you will need to deserialize the JSON into your object:. Check the content type for both the request, you will get your answer. I'd like to POST an array of objects with $. JSON is easy for humans to read and write and is lightweight in data interchange between client and server. 3 Entity Metadata for Functions. then saves it. Send the URL-encoded JSON string to the server as part of the HTTP Request. I want to be able to use the one service bundle to handle both data coming from AJAX calls, or a normal Symfony form. get method, but use http post method. We will use `HttpURLConnection` to POST JSON data to the server. NET MVC is the support for JSON. net xp [ajax] JKL. The framework will deserialize form data and try to match to the parameters of the web method. This code snippet for. For the umpteenth time my [FromBody] parameter is NULL. Post an array of objects to WebAPI using jQuery. How to pass json body in ajax post request in c# (for API ) Rate this: Angular2 http post not passing the json object to MVC 6 controller action. JSON posts work. Hi, I have an array in JQuery which holds the Id & value of attributes I need to pass to the MVC controller. To start viewing messages, select the forum that you want to visit from the selection below. The above script contains the following specifications (Line numbers in the code map with comments applied in the Post method. Each object should have at least one property in common. 0 RESTFul Web Service Simple Example. Questions: ASP. Getting JSON Data With AJAX. This JSON string is what the server will receive and attempt to deserialise when we make the Ajax call from a web browser. Access object property in array of objects 3 answers I have a simple AJAX call being made which sends JSON to my server and gets a JSON response. You must also check these articles: Simple Asp. Properties should share the same data type. on the Server Side, I need to convert the string back to some form so my Server Side ASP/JScript can then process it. ตัวอย่างการใช้ jQuery กับ Ajax และ JSON การรับส่งข้อมูลในรุปแบบต่างๆ เช่น String, JSON String, JSON Object และค่าจากการ Input Form. Save method of diagram returns a serialized JSON object that contain the In ASP. Using the AJAX object can sometimes involve custom server-side scripting which is beyond the scope of this manual, but requesting. In a previous post I talked about how to send raw JSON to a web API and consume it easily. However, if we have FormData support, we’ll take care of uploading via AJAX. jQuery is a library that is a wrapper of JavaScript and it also supports handling of events, DOM, effects and AJAX. Ajax() POST request containing data in JSON format to the server, and how to receive this JSON content, parse it and map it into Java objects in the server "servlet" side. Submitting forms and uploading files. Unit testing Ajax requests with Mocha. SuperAgent is light-weight progressive ajax API crafted for flexibility, readability, and a low learning curve after being frustrated with many of the existing request APIs. I am making necessary changes to Json object as per form field values and sending back to controller using POST method. Send JSON data via POST (ajax) and receive json response from Controller (MVC) can anyone little explain why we need this while if someone sending json object?. Time to sort things out and write it down. stringify(). We define these to avoid having to repeat the values within the test. net mvc , json Working with JSON within Web Services recently has become the latest and greatest simply because it plays so nicely with others and can often be very easily serialized and deserialized to fit your needs. It is easy for humans to read and write and for machines to parse and generate. net with example. JSON arrays are ordered collections and can contain values of differing data types. I'm kinda stuck with this. Practically speaking, your server-side script should be designed to return an array of objects instead of a list of objects. In this example I use a Person class, taken from Andrew Lock's article. In MVC, an Action Method in a Controller can return a JsonResult. It takes various parameters url, type, data, dataType, beforeSend. Net WebMethod GetCity which accepts a custom JSON object City with 2 properties (Name and Population). If you’re wondering what I’m talking about then take a look at the first two blogs in this series: Spring MVC, Ajax and JSON Part 1 - Setting The Scene; Spring MVC, Ajax and JSON Part 2 - The Server. # re: Using jQuery to POST Form Data to an ASP. Check the content type for both the request, you will get your answer. As such, each draw of the table will result in a new Ajax request being made to get _table. Post an array of objects to WebAPI using jQuery. NET MVC Framework as a JSON Service Provider for Richer Web Applications with MS Ajax Templates and jQuery Wow, that’s a really long title, but that is what this post is actually about, and why I think it is a great way to handle many web applications today. jQuery AJAX: Post JSON data to Web API in ASP. param でシリアライズするんですね。 解決策 $. Send Ajax GET and POST requests. post or jquery. I have found various posts here which look like the same issue, but I can't get the final piece to work. NET With Quartz. Post and get JSON data on Ajax call using jQuery, PHP, and MySQL. JSON data can be retrieved using AJAX from a server either using jQuery's. NET method using jQuery Ajax making HTTP POST request with headers. ajax() POST request and the Model class object will be passed as JSON object from View in ASP. Here's a small sample application that illustrates how the form-encoded posts vs. JavaScript Object Notation (JSON) to develop the data interchange format. Sending a large amount of data to the server (POST has no size limitations). ASMX web services. We created an example object called user. 5 (323 ratings) Course Ratings are calculated from individual students’ ratings and a variety of other signals, like age of rating and reliability, to ensure that they reflect course quality fairly and accurately. report a bug 返回值 编码成功则返回一个以 json 形式表示的 string 或者在失败时返回 false 。. Ask Question If you instead want the json to be in a POST var, the ajax request will need to be modified. 如题,后端返回数据正常,但ajax使用后端的data却显示为object。 原因是ajax中datatype需要指定为json,而且注意datatype中t千万不要大写!(我就是因为大写了然后就出现了该错误). css js/ ajax-json. Die JavaScript Object Notation, kurz JSON [ˈdʒeɪsən], ist ein kompaktes Datenformat in einer einfach lesbaren Textform zum Zweck des Datenaustauschs zwischen Anwendungen. I have used JSON object many times in my Charts related project where on server-side C# creating a WebMethod to convert my Data into JSON result. So this way you can send GET, POST or PUT request using ajax() method. I have been planning to rewrite the jx Ajax Library using object notation. {"before_content":"\n\n\n\n. then() method. Javascript Object Notation (JSON) is a fancy name for a simple idea: A web page can download data stored as javascript variables. needs to be a string, in this case a JSON encoded string. With this API, you can also fetch information about a particular product using its handle. Populate form from database using AJAX and JSON. The JSON standard does not specify whether field names must be unique for a given JSON object. js is relatively simple, passing JSON data with jQuery and AJAX to PHP requires a few extra steps. However, sometimes. This /receiver endpoint simply loops over every JSON row, and appends the car make to a string, which then gets returned after the loop. NET MVC application that goes by the name MvcApplication33 (yes, the 33rd in a row of test applications). I want to be able to use the one service bundle to handle both data coming from AJAX calls, or a normal Symfony form. JSON objects are written in key/value pairs. ajax method is the real deal for any (not only JSON related) web request. In JSON objects, however, the values can only be other JSON types (never functions containing executable JavaScript code). stringify method. Here Mudassar Ahmed Khan has explained with an example, how to pass (send) Model object in jQuery $. NET MVC4 Web API application defines post method to save customer. In this case, jQuery serializes the successful controls within the form. This /receiver endpoint simply loops over every JSON row, and appends the car make to a string, which then gets returned after the loop. JSON is easy for humans to read and write and is lightweight in data interchange between client and server. Complete code with explanation given. Parsing JSON with a jQuery ajax object using POST 26Dec07 It’s a bit of a head-scratcher at first, seeing as the jQuery docs mysteriously disavow a postJSON possibility , let alone a function, but it’s definitely doable. This can be done using the HEAD, GET, or POST method by assigning the JSON string to a. This section is dedicated to the Ajax helper and describes the operations which can be performed with the help of Ajax. php with the JSON string in question. js module EasyPost, available via npm. The Code Normally, you would instantiate your DataTable for ajax, like this:. jquery ajax post data undefined. In my previous article I discussed about JQuery DataTable Paging, Searching and Sorting In ASP. Spring 4 MVC Ajax Hello World Example. By Yashwant Chavan, Views 160750, Last updated on 14-Feb-2019. This will create AJAX helper to call MVC controller action method. NET MVC: Intro to MVC using Binding JSON objects to Models: This post is designed to assist in jump-starting your MVC (model-view-control) project binding JSON to models (using Ajax posts). JSON format is simply a literal string that can be turned into a JSON object if we parse it. curl -i -H "Accept: application/json" -H "Content-Type: application/json" -X POST -d "{'json':{'data. Net MVC controller action. After creating the object you can see that I had made an ajax call to web service, and object data is send to that service after making it JSON string. success: function (result) { // try and grab a node in the. NET MVC4 Web API application defines post method to save customer. I'll also provide an alternative if you need to POST actual JSON from jQuery — if, for instance, you need to make a call to your own RESTful API. jsp: contains application logic that calls the User Manager operation that retrieves all users. Customer is passed in json format in POST request body. Net MVC Razor. In jQuery AJAX JSON Example, I have explained how to handle GET and POST JSON requests using jQuery API. I decided to write a quick blog post about this because much of the documentation and examples about this seems to be a bit scattered. ajax() POST request with data in JSON format?. Another major advance to JavaScript and Ajax is the JavaScript object library called jQuery. stringify()” (the link leeds to the Mozialle Developer Center – the same thing is in the MSDN) which transforms an object into JSON. ajax android angular api button c++ class database date dynamic exception file function html http image input java javascript jquery json laravel list mysql object oop ph php phplaravel phpmysql phpphp post python sed select spring sql string text time url view windows wordpress xml. Jul 27, 2016 To pass any other JSON-serializable object you must set the safe parameter to False. Populate form from database using AJAX and JSON. A common use of JSON is to read data from a web server, and display the data in a web page. stringify(student) takes the object and converts it into a string. Not only that it will make your code easier to read. Ask Question If you instead want the json to be in a POST var, the ajax request will need to be modified. js this has the toJSON. The first version of this was shipped at May 18th, 2005. Finally, the dw_makeXHRRequest function is called with the following arguments: URL, callback object, method (POST), stringified data, and data type ('application/json'). Both exhibit the same odd error, but I can't find what I'm doing wrong. The data can be specified in different ways. The above script contains the following specifications (Line numbers in the code map with comments applied in the Post method. However, always use POST requests when: A cached file is not an option (update a file or database on the server). May 26, 2010 · 3 minute read I recently hit a requirement to take an array of objects and post them to an asp. Likewise, the REST client POST processes calls getPostData() in the same way. net MVC using jQuery Ajax jQuery has great support for sending HTML form data (that is input , select and textarea element values) back to the server using Ajax technologies by providing two main ways of preparing form data for submission - namely serialize() and serializeArray() functions. The serializeJSON function returns a JavaScript object, not a JSON String. NET method using jQuery Ajax making HTTP POST request with headers. Ajax is our reason! You see, in an Ajax environment where we make calls to web services we expect to get some data back in some form. I'd like to POST an array of objects with $.