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Editorial Team
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Asked: 2026-05-23T12:49:53+00:00

How to serialise an object to json and send it to a web service?

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How to serialise an object to json and send it to a web service?

var object = something....
function BindJson() {
        $.ajax({
            type: "POST",
            url: "NewPage.aspx/GetJson",
            data: "{}",
            contentType: "application/json",
            dataType: "json",
            success: function (data) {

            }
        })
    }

<body onload="BindJson();">

Server:

[WebMethod]
        public static string GetSerializedJsonObject()
        {
            return "";
        }
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1 Answer

  1. Editorial Team

    This will work for you (full working code sample below). The key is to pass in a Person object. Also, I used a simple web service (myService.asmx) instead of an aspx page. Why bother with the extra overhead if it isn’t needed?

    The key is, on the client, create a Person object and then use JSON.stringify to pass the Person object to the webservice.

    Javascript

    <script type="text/javascript" src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.5.1.js"></script>
<script type="text/javascript">
    function BindJson() {
        $.ajax({
            type: "POST",
            url: "myService.asmx/SerializeJson",
            data: JSON.stringify({ person:{ firstName: "Denny", lastName: "Cherian", department: "Microsoft PSS", address: { addressline1: "Microsoft India GTSC", addressline2: "PSS - DSI", city: "Bangalore", state: "Karnataka", country: "India", pin: "560028" }, technologies: ["IIS", "ASP.NET", "JavaScript", "AJAX"] }}),
            contentType: "application/json; charset=utf-8",
            dataType: "json",
            success: function (data1) {
                alert(data1.d);
            },
            error: function (request, status, errorThrown) {
                alert(status);
            }
        });
    }

    $(document).ready(function() {
        BindJson();    
    });
</script>

    C#

    using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Services;

namespace TestProject
{
    /// <summary>
    /// Summary description for myService
    /// </summary>
    [WebService(Namespace = "http://tempuri.org/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    [System.ComponentModel.ToolboxItem(false)]
    // To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line. 
    [System.Web.Script.Services.ScriptService]
    public class myService : System.Web.Services.WebService
    {

        [WebMethod]
        public string SerializeJson(Person person)
        {
            return "Success";
        }

        public class Person
        {
            public string firstName { get; set; }
            public string lastName { get; set; }
            public string department { get; set; }
            public Address address { get; set; }
            public string[] technologies { get; set; }
        }

        public class Address
        {
            public string addressline1 { get; set; }
            public string addressline2 { get; set; }
            public string city { get; set; }
            public string state { get; set; }
            public string country { get; set; }
            public string pin { get; set; }            
        }
    }
}
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