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Jquery 一个简单的hello world,介绍如何在JSON/AJAX中在客户端html和vb.net服务器之间交换数据_Jquery_Asp.net_Json_Ajax_Vb.net - Fatal编程技术网

Jquery 一个简单的hello world,介绍如何在JSON/AJAX中在客户端html和vb.net服务器之间交换数据

Jquery 一个简单的hello world,介绍如何在JSON/AJAX中在客户端html和vb.net服务器之间交换数据,jquery,asp.net,json,ajax,vb.net,Jquery,Asp.net,Json,Ajax,Vb.net,花了这么多天寻找一个解决方案,我留下的选择,但请你们在这里。我对AJAX完全陌生,并且不惜一切代价试图避免它,但这次,我别无选择,只能正视它 我想要的是HTML页面和服务器端ASPX页面(最好是VB)之间的简单数据交换(如hello world)。。我在网上看到的解决方案要么太复杂,我无法理解,要么是不完整的 我能够在aspx服务器应用程序中接收来自ajaxhtml页面的数据,但发现很难通过JSON-ajax与页面反馈信息。谢谢你的帮助。谢谢 我当前的客户端JQuery代码(如果是从我正在使用的

花了这么多天寻找一个解决方案,我留下的选择,但请你们在这里。我对AJAX完全陌生,并且不惜一切代价试图避免它,但这次,我别无选择,只能正视它

我想要的是HTML页面和服务器端ASPX页面(最好是VB)之间的简单数据交换(如hello world)。。我在网上看到的解决方案要么太复杂,我无法理解,要么是不完整的

我能够在aspx服务器应用程序中接收来自ajaxhtml页面的数据,但发现很难通过JSON-ajax与页面反馈信息。谢谢你的帮助。谢谢

我当前的客户端JQuery代码(如果是从我正在使用的教程中获得的) 我有一个联系人提交表单,当点击提交按钮时,它会调用下面的脚本。我在服务器端收到了用户的数据,但无法从服务器端向客户端页面发送成功信号

<script>
    (function($) {

        'use strict';

        /*
        Contact Form: Basic
        */
        $('#contactForm').validate({
            submitHandler: function(form) {

                var $form = $(form),
                    $messageSuccess = $('#contactSuccess'),
                    $messageError = $('#contactError'),
                    $submitButton = $(this.submitButton),
                    $errorMessage = $('#mailErrorMessage');

                $submitButton.button('loading');

                // Ajax Submit
                $.ajax({
                    type: 'POST',
                    url: $form.attr('action'),
                    data: {
                        Fname: $form.find('#Fname').val(),
                        Sname: $form.find('#Sname').val(),
                        GSM: $form.find('#GSM').val(),
                        sector: $form.find('#sector').val(),
                        email: $form.find('#email').val(),
                        categoryofclient: $form.find('#categoryofclient').val(),
                        message: $form.find('#message').val()
                    }
                }).always(function(data, textStatus, jqXHR) {

                    $errorMessage.empty().hide();

                    if (data.response == 'success') {

                        $messageSuccess.removeClass('hidden');
                        $messageError.addClass('hidden');

                        // Reset Form
                        $form.find('.form-control')
                            .val('')
                            .blur()
                            .parent()
                            .removeClass('has-success')
                            .removeClass('has-error')
                            .find('label.error')
                            .remove();

                        if (($messageSuccess.offset().top - 180) < $(window).scrollTop()) {
                            $('html, body').animate({
                                scrollTop: $messageSuccess.offset().top - 180
                            }, 300);
                        }

                        $submitButton.button('reset');

                        return;

                    } else if (data.response == 'error' && typeof data.errorMessage !== 'undefined') {
                        $errorMessage.html(data.errorMessage).show();
                    } else {
                        $errorMessage.html(data.responseText).show();
                    }

                    $messageError.removeClass('hidden');
                    $messageSuccess.addClass('hidden');

                    if (($messageError.offset().top - 180) < $(window).scrollTop()) {
                        $('html, body').animate({
                            scrollTop: $messageError.offset().top - 180
                        }, 300);
                    }

                    $form.find('.has-success')
                        .removeClass('has-success');

                    $submitButton.button('reset');

                });
            }
        });
    }).apply(this, [jQuery]);
</script>
当我运行ASPX页面时,我得到

    {"response":"success"}
但它仍然无法触发客户端表单

ASPX/HTML标记

    <%@ Page Language="vb" AutoEventWireup="false" CodeBehind="amasico.aspx.vb" Inherits="utilityserverapps._Default" %>

整个客户端HTML标记(指向某些CSS的链接位于其他位置)


联系我们
  • (123) 456-789
  • 雇佣AMASICO
雇用阿马西科 了解我们如何为您服务?

成功您的邮件已发送给我们。
谢谢,我们很快就会给您打电话的!) 错误发送邮件时出错。 名字* 姓* 您的GSM号码*
    <%@ Page Language="vb" AutoEventWireup="false" CodeBehind="amasico.aspx.vb" Inherits="utilityserverapps._Default" %>
 <!DOCTYPE html>
<html>

<head>

    <!-- Basic -->
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">

    <title>Contact Us </title>

    <meta name="keywords" content="HTML5 Template" />
    <meta name="description" content="Porto - Responsive HTML5 Template">
    <meta name="author" content="okler.net">

    <!-- Favicon -->
    <link rel="shortcut icon" href="webcom/img/favicon.ico" type="image/x-icon" />
    <link rel="apple-touch-icon" href="webcom/img/apple-touch-icon.png">

    <!-- Mobile Metas -->
    <meta name="viewport" content="width=device-width, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">

    <!-- Web Fonts  -->
    <link href="https://fonts.googleapis.com/css?family=Open+Sans:300,400,600,700,800%7CShadows+Into+Light" rel="stylesheet" type="text/css">

    <!-- Vendor CSS -->
    <link rel="stylesheet" href="webcom/vendor/bootstrap/css/bootstrap.min.css">
    <link rel="stylesheet" href="webcom/vendor/font-awesome/css/font-awesome.min.css">
    <link rel="stylesheet" href="webcom/vendor/simple-line-icons/css/simple-line-icons.min.css">
    <link rel="stylesheet" href="webcom/vendor/owl.carousel/assets/owl.carousel.min.css">
    <link rel="stylesheet" href="webcom/vendor/owl.carousel/assets/owl.theme.default.min.css">
    <link rel="stylesheet" href="webcom/vendor/magnific-popup/magnific-popup.min.css">

    <!-- Theme CSS -->
    <link rel="stylesheet" href="webcom/css/theme.css">
    <link rel="stylesheet" href="webcom/css/theme-elements.css">
    <link rel="stylesheet" href="webcom/css/theme-blog.css">
    <link rel="stylesheet" href="webcom/css/theme-shop.css">
    <link rel="stylesheet" href="webcom/css/theme-animate.css">

    <!-- Skin CSS -->
    <link rel="stylesheet" href="webcom/css/skins/default.css">

    <!-- Theme Custom CSS -->
    <link rel="stylesheet" href="webcom/css/custom.css">

    <!-- Head Libs -->
    <script src="webcom/vendor/modernizr/modernizr.min.js"></script>

</head>
<body>
    <div class="body">
        <header id="header" data-plugin-options='{"stickyEnabled": true, "stickyEnableOnBoxed": true, "stickyEnableOnMobile": true, "stickyStartAt": 57, "stickySetTop": "-57px", "stickyChangeLogo": true}'>
            <div class="header-body">
                <div class="header-container container">
                    <div class="header-row">
                        <div class="header-column">
                            <div class="header-logo">
                                <a href="webcom/index.html">
                                    <img alt="Amasico" width="200" height="70" data-sticky-width="142" data-sticky-height="50" data-sticky-top="33" src="img/amalogo.jpg">
                                </a>
                            </div>
                        </div>
                        <div class="header-column">
                            <div class="header-row">
                                <nav class="header-nav-top">
                                    <ul class="nav nav-pills">
                                        <li class="hidden-xs">
                                            <a href="webcom/about-us.html"><i class="fa fa-angle-right"></i> About Us</a>
                                        </li>
                                        <li class="hidden-xs">
                                            <a href="webcom/contact-us.html"><i class="fa fa-angle-right"></i> Contact Us</a>
                                        </li>
                                        <li>
                                            <span class="ws-nowrap"><i class="fa fa-phone"></i> (123) 456-789</span>
                                        </li>
                                    </ul>
                                </nav>
                            </div>
                            <div class="header-row">
                                <div class="header-nav">
                                    <button class="btn header-btn-collapse-nav" data-toggle="collapse" data-target=".header-nav-main">
                                        <i class="fa fa-bars"></i>
                                    </button>
                                    <ul class="header-social-icons social-icons hidden-xs">
                                        <li class="social-icons-facebook"><a href="http://www.facebook.com/" target="_blank" title="Facebook"><i class="fa fa-facebook"></i></a>
                                        </li>
                                        <li class="social-icons-twitter"><a href="http://www.twitter.com/" target="_blank" title="Twitter"><i class="fa fa-twitter"></i></a>
                                        </li>
                                        <li class="social-icons-linkedin"><a href="http://www.linkedin.com/" target="_blank" title="Linkedin"><i class="fa fa-linkedin"></i></a>
                                        </li>
                                    </ul>
                                    <div class="header-nav-main header-nav-main-effect-1 header-nav-main-sub-effect-1 collapse">
                                        <nav>
                                            <ul class="nav nav-pills" id="mainNav">
                                                <li>
                                                    <a href="index.html">
                                                            Home
                                                        </a>
                                                </li>
                                                <li class="dropdown-mega active">
                                                    <a href="index.html">
                                                            About Us
                                                        </a>
                                                </li>
                                                <li>
                                                    <a href="index.html">
                                                            Products
                                                        </a>
                                                </li>
                                                <li>
                                                    <a href="index.html">
                                                            Services
                                                        </a>
                                                </li>
                                            </ul>
                                        </nav>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </header>


        <div role="main" class="main">

            <section class="page-header">
                <div class="container">
                    <div class="row">
                        <div class="col-md-12">
                            <ul class="breadcrumb">
                                <li><a href="#">Home</a>
                                </li>
                                <li class="active">HIRE AMASICO</li>
                            </ul>
                        </div>
                    </div>
                    <div class="row">
                        <div class="col-md-12">
                            <h1>HIRE AMASICO</h1>
                        </div>
                    </div>
                </div>
            </section>

            <div class="container">

                <div class="row">
                    <div class="col-md-3"><img src="img/contactus.jpg" class="img-responsive" alt="Contact us" />
                    </div>
                    <div class="col-md-6">
                        <h2 class="mb-sm mt-sm"><strong>Discover </strong>how we can serve you?</h2>
                        <br>
                        <br>
                        <div class="alert alert-success hidden mt-lg" id="contactSuccess">
                            <strong>Success!</strong> Your message has been sent to us.
                            <br> Thank you, we will call you soon!) </div>

                        <div class="alert alert-danger hidden mt-lg" id="contactError">
                            <strong>Error!</strong> There was an error sending your message.
                            <span class="font-size-xs mt-sm display-block" id="mailErrorMessage"></span>
                        </div>
                        <form id="contactForm" action="http://localhost:57414/amasico.aspx" method="POST">
                            <div class="row">
                                <div class="form-group">
                                    <div class="col-md-6">
                                        <label>First Name *</label>
                                        <input type="text" value="" data-msg-required="Please enter your name." maxlength="100" class="form-control" name="Fname" id="Fname" required>
                                    </div>
                                    <div class="col-md-6">
                                        <label>Surname *</label>
                                        <input type="text" value="" data-msg-required="Please enter your surname." maxlength="100" class="form-control" name="Sname" id="Sname" required>
                                    </div>
                                </div>
                            </div>
                            <div class="row">
                                <div class="form-group">
                                    <div class="col-md-6">
                                        <label>Your GSM Number *</label>
                                        <input type="telephone" value="" data-msg-required="Please enter your GSM no." maxlength="100" class="form-control" name="GSM" id="GSM" required placeholder="GSM number">
                                    </div>
                                    <div class="col-md-6">
                                        <label>Your email address *</label>
                                        <input type="email" value="" data-msg-required="Please enter your email address." data-msg-email="Please enter a valid email address." maxlength="100" class="form-control" name="email" id="email" required>
                                    </div>
                                </div>
                            </div>
                            <div class="row">
                                <div class="form-group">
                                    <label class="col-md-12 control-label">Category</label>
                                    <div class="col-md-6">
                                        <select name="categoryofclient" class="form-control" id="categoryofclient" data-plugin-selectTwo>
                                            <option value="SELF_EMPLOYED">SELF EMPLOYED </option>
                                            <option value="ENTREPRENEUR">ENTREPRENEUR</option>
                                            <option value="EMPLOYED">EMPLOYED </option>
                                            <option value="UNEMPLOYED">UNEMPLOYED</option>
                                        </select>
                                    </div>
                                </div>
                            </div>

                            <div class="row">
                                <div class="form-group">
                                    <div class="col-md-12">
                                        <label>Industrial Sector</label>
                                        <input type="text" value="" data-msg-required="Please enter the sector you are interested in." maxlength="100" class="form-control" name="sector" id="sector" required>
                                    </div>
                                </div>
                            </div>
                            <div class="row">
                                <div class="form-group">
                                    <div class="col-md-12">
                                        <label>Other comment? *</label>
                                        <textarea maxlength="3000" data-msg-required="Please enter your message." rows="10" class="form-control" name="message" id="message"></textarea>
                                    </div>
                                </div>
                            </div>
                            <div class="row">
                                <div class="col-md-12">
                                    <input type="submit" value="Send Message" class="btn btn-primary btn-lg mb-xlg" data-loading-text="Loading...">
                                </div>
                            </div>
                        </form>
                    </div>


                </div>

            </div>

        </div>

        <footer id="footer">
            <div class="container">
                <div class="row">
                    <div class="footer-ribbon">
                        <span>Get in Touch</span>
                    </div>
                    <div class="col-md-6">
                        <div class="contact-details">
                            <h4>Contact Us</h4>
                            <ul class="contact">
                                <li>
                                    <p><i class="fa fa-map-marker"></i> <strong>Address:</strong> 1234 Street Name, City Name, United States</p>
                                </li>
                                <li>
                                    <p><i class="fa fa-phone"></i> <strong>Phone:</strong> (123) 456-789</p>
                                </li>
                                <li>
                                    <p><i class="fa fa-envelope"></i> <strong>Email:</strong> <a href="mailto:mail@example.com">mail@example.com</a>
                                    </p>
                                </li>
                            </ul>
                        </div>
                    </div>
                    <div class="col-md-2">
                        <h4>Follow Us</h4>
                        <ul class="social-icons">
                            <li class="social-icons-facebook"><a href="http://www.facebook.com/" target="_blank" title="Facebook"><i class="fa fa-facebook"></i></a>
                            </li>
                            <li class="social-icons-twitter"><a href="http://www.twitter.com/" target="_blank" title="Twitter"><i class="fa fa-twitter"></i></a>
                            </li>
                            <li class="social-icons-linkedin"><a href="http://www.linkedin.com/" target="_blank" title="Linkedin"><i class="fa fa-linkedin"></i></a>
                            </li>
                        </ul>
                    </div>
                </div>
            </div>
            <div class="footer-copyright">
                <div class="container">
                    <div class="row">
                        <div class="col-md-1">
                            <a href="index.html" class="logo">
                                <img src="img/amalogoBlack.jpg" alt="Amasico Freelance" width="200" height="70" class="img-responsive">
                            </a>
                        </div>
                        <div class="col-md-7">
                            <p>© Copyright 2016. All Rights Reserved.</p>
                        </div>
                        <div class="col-md-4">
                            <nav id="sub-menu">
                                <ul>
                                    <li><a href="page-faq.html">FAQ's</a>
                                    </li>
                                    <li><a href="sitemap.html">Sitemap</a>
                                    </li>
                                    <li><a href="contact-us.html">Contact</a>
                                    </li>
                                </ul>
                            </nav>
                        </div>
                    </div>
                </div>
            </div>
        </footer>
    </div>

    <!-- Vendor -->
    <script src="webcom/vendor/jquery/jquery.min.js"></script>
    <script src="webcom/vendor/jquery.appear/jquery.appear.min.js"></script>
    <script src="webcom/vendor/jquery.easing/jquery.easing.min.js"></script>
    <script src="webcom/vendor/jquery-cookie/jquery-cookie.min.js"></script>
    <script src="webcom/vendor/bootstrap/js/bootstrap.min.js"></script>
    <script src="webcom/vendor/common/common.min.js"></script>
    <script src="webcom/vendor/jquery.validation/jquery.validation.min.js"></script>
    <script src="webcom/vendor/jquery.stellar/jquery.stellar.min.js"></script>
    <script src="webcom/vendor/jquery.easy-pie-chart/jquery.easy-pie-chart.min.js"></script>
    <script src="webcom/vendor/jquery.gmap/jquery.gmap.min.js"></script>
    <script src="webcom/vendor/jquery.lazyload/jquery.lazyload.min.js"></script>
    <script src="webcom/vendor/isotope/jquery.isotope.min.js"></script>
    <script src="webcom/vendor/owl.carousel/owl.carousel.min.js"></script>
    <script src="webcom/vendor/magnific-popup/jquery.magnific-popup.min.js"></script>
    <script src="webcom/vendor/vide/vide.min.js"></script>

    <!-- Theme Base, Components and Settings -->
    <script src="webcom/js/theme.js"></script>

    <!-- Current Page Vendor and Views -->
    <script>
        (function($) {

            'use strict';

            /*
            Contact Form: Basic
            */
            $('#contactForm').validate({
                submitHandler: function(form) {

                    var $form = $(form),
                        $messageSuccess = $('#contactSuccess'),
                        $messageError = $('#contactError'),
                        $submitButton = $(this.submitButton),
                        $errorMessage = $('#mailErrorMessage');

                    $submitButton.button('loading');

                    // Ajax Submit
                    $.ajax({
                        type: 'POST',
                        url: $form.attr('action'),
                        data: {
                            Fname: $form.find('#Fname').val(),
                            Sname: $form.find('#Sname').val(),
                            GSM: $form.find('#GSM').val(),
                            sector: $form.find('#sector').val(),
                            email: $form.find('#email').val(),
                            categoryofclient: $form.find('#categoryofclient').val(),
                            message: $form.find('#message').val()
                        }
                    }).always(function(data, textStatus, jqXHR) {

                        $errorMessage.empty().hide();

                        if (data.response == 'success') {

                            $messageSuccess.removeClass('hidden');
                            $messageError.addClass('hidden');

                            // Reset Form
                            $form.find('.form-control')
                                .val('')
                                .blur()
                                .parent()
                                .removeClass('has-success')
                                .removeClass('has-error')
                                .find('label.error')
                                .remove();

                            if (($messageSuccess.offset().top - 180) < $(window).scrollTop()) {
                                $('html, body').animate({
                                    scrollTop: $messageSuccess.offset().top - 180
                                }, 300);
                            }

                            $submitButton.button('reset');

                            return;

                        } else if (data.response == 'error' && typeof data.errorMessage !== 'undefined') {
                            $errorMessage.html(data.errorMessage).show();
                        } else {
                            $errorMessage.html(data.responseText).show();
                        }

                        $messageError.removeClass('hidden');
                        $messageSuccess.addClass('hidden');

                        if (($messageError.offset().top - 180) < $(window).scrollTop()) {
                            $('html, body').animate({
                                scrollTop: $messageError.offset().top - 180
                            }, 300);
                        }

                        $form.find('.has-success')
                            .removeClass('has-success');

                        $submitButton.button('reset');

                    });
                }
            });

            /*
            Contact Form: Advanced
            */
            $('#contactFormAdvanced').validate({
                onkeyup: false,
                onclick: false,
                onfocusout: false,
                rules: {
                    'captcha': {
                        captcha: true
                    },
                    'checkboxes[]': {
                        required: true
                    },
                    'radios': {
                        required: true
                    }
                },
                errorPlacement: function(error, element) {
                    if (element.attr('type') == 'radio' || element.attr('type') == 'checkbox') {
                        error.appendTo(element.parent().parent());
                    } else {
                        error.insertAfter(element);
                    }
                }
            });

        }).apply(this, [jQuery]);
    </script>

    <!-- Theme Custom -->
    <script src="webcom/js/custom.js"></script>

    <!-- Theme Initialization Files -->
    <script src="webcom/js/theme.init.js"></script>
    <script>

</body>
</html>
Public Class WebForm1
    Inherits System.Web.UI.Page

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

    End Sub
    <Services.WebMethod()>
    Public Shared  Function Hello(name As String) As String
        Return "hello " + name

    End Function
End Class
<script>
        $(document).ready(function () {
            $.ajax({
                type: "POST",
                url: "webform1.aspx/Hello",
                data: "{name:'Raj'}",
                contentType: "application/json; charset=utf-8",
                dataType: "json",
                success: function (msg) {
                    console.log(msg);
                },
                error: function (msg) {
                    console.log("error:" + JSON.stringify(msg));
                }
            });
        });

    </script>
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

End Sub

<System.Web.Services.WebMethod()> _
Public Shared Function SubmitContactForm(ByVal data As ContactDetails) As String
  'Do some data validation here - don't rely on client-side validation alone!
  'do whatever you need to do to save the data, the at the end:
  Return "{ 'response': 'success' }" 'Once this works, think about using a more formal structure like an object containing your response values (e.g. validation errors)
End Function
$("#contactForm").validate(function()
{
  submitHandler: function(form) {
    alert("about to submit form"); //just for testing :-)

    var $form = $(form);

    // Ajax Submit
    $.ajax({
        type: 'POST',
        url: $form.attr('action'),
        contentType: "application/json; charset=utf-8",
        data: JSON.stringify({ "data": $form.serializeArray() }), //this should automatically grab all the fields from your form
        success: function(response) { //ajax request succeeds
          alert(response); //just for testing :-)
          //do whatever else you need to with the response here. 
        },
        error: function (jQXHR, textStatus, errorThrown) { //ajax request fails (i.e. a HTTP error, not a validation error)
                    alert("An error occurred whilst attempting to contact the server: " + jQXHR.status + " " + errorThrown);
         }
    });
});
    using System;
    using System.Collections;
    using System.ComponentModel;
    using System.Data;
    using System.Linq;
    using System.Web;
    using System.Web.Services;
    using System.Web.Services.Protocols;
    using System.Xml.Linq;
    using System.Collections.Generic;
    using System.Web.Script.Services;
    using System.Web.Script.Serialization;
    namespace JSONDemo
    {
        /// <summary>
        /// Summary description for Service1
        /// </summary>
        [WebService(Namespace = "http://tempuri.org/")]
        [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
        [System.ComponentModel.ToolboxItem(false)]
        [System.Web.Script.Services.ScriptService]
        public class json : System.Web.Services.WebService
        {

            [WebMethod]
            [ScriptMethod(ResponseFormat = ResponseFormat.Json)]
            public string TestJSON()
            {
                Employee[] e = new Employee[2];
                e[0] = new Employee();
                e[0].Name = "Ajay Singh";
                e[0].Company = "Birlasoft Ltd.";
                e[0].Address = "LosAngeles California";
                e[0].Phone = "1204675";
                e[0].Country = "US";
                e[1] = new Employee();
                e[1].Name = "Ajay Singh";
                e[1].Company = "Birlasoft Ltd.";
                e[1].Address = "D-195 Sector Noida";
                e[1].Phone = "1204675";
                e[1].Country = "India";

                feedback[] f2 = new feedback[1];
                f2[0] = new feedback();
                f2[0].response = "success";
                return new JavaScriptSerializer().Serialize(e);
                //Context.Response.Write(new JavaScriptSerializer().Serialize(e)); //returns text string
            }

            [WebMethod]
            [ScriptMethod(ResponseFormat = ResponseFormat.Json)]
            public  void TestJSON2()
            {
                Employee[] e = new Employee[2];
                e[0] = new Employee();
                e[0].Name = "Ajay Singh";
                e[0].Company = "Birlasoft Ltd.";
                e[0].Address = "LosAngeles California";
                e[0].Phone = "1204675";
                e[0].Country = "US";
                e[1] = new Employee();
                e[1].Name = "Ajay Singh";
                e[1].Company = "Birlasoft Ltd.";
                e[1].Address = "D-195 Sector Noida";
                e[1].Phone = "1204675";
                e[1].Country = "India";

                feedback[] f2 = new feedback[1];
                f2[0] = new feedback();
                f2[0].response = "success";
                //return new JavaScriptSerializer().Serialize(e);
                Context.Response.Write(new JavaScriptSerializer().Serialize(e)); //returns text string
            }

            [WebMethod]
            [ScriptMethod(ResponseFormat = ResponseFormat.Json)]
            public void FeedbackB()
            {
                feedback[] f2 = new feedback[1];
                f2[0] = new feedback();
                f2[0].response = "success";
                //return new JavaScriptSerializer().Serialize(e);
                Context.Response.Write(new JavaScriptSerializer().Serialize(f2)); //returns text string
            }

            [WebMethod]
            //[ScriptMethod(ResponseFormat = ResponseFormat.Json)]
            public string FeedbackC()
            {
                feedback[] f2 = new feedback[1];
                f2[0] = new feedback();
                f2[0].response = "success";
               return new JavaScriptSerializer().Serialize(f2);
               //Context.Response.Write(new JavaScriptSerializer().Serialize(f2)); //returns text string
            }


            [WebMethod]
            public string FeedbackD()
            {
                var data = new { sresponse = "success"};

                // We are using an anonymous object above, but we could use a typed one too (SayHello class is defined below)
                // SayHello data = new SayHello { Greeting = "Hello", Name = firstName + " " + lastName };

                System.Web.Script.Serialization.JavaScriptSerializer js = new System.Web.Script.Serialization.JavaScriptSerializer();
                return js.Serialize(data);
            }


            [WebMethod]
            public string SayHello(string firstName, string lastName)
            {
                return "Hello " + firstName + " " + lastName;
            }

            [WebMethod]
            public string SayHelloJson(string firstName, string lastName)
            {
                var data = new { Greeting = "Hello", Name = firstName + " " + lastName };

                // We are using an anonymous object above, but we could use a typed one too (SayHello class is defined below)
                // SayHello data = new SayHello { Greeting = "Hello", Name = firstName + " " + lastName };

                System.Web.Script.Serialization.JavaScriptSerializer js = new System.Web.Script.Serialization.JavaScriptSerializer();
                return js.Serialize(data);
            }



            [WebMethod]
            [ScriptMethod(ResponseFormat = ResponseFormat.Xml)]
            public Employee[] TestXML()
            {
                Employee[] e = new Employee[2];
                e[0] = new Employee();
                e[0].Name = "Ajay Singh";
                e[0].Company = "Birlasoft Ltd.";
                e[0].Address = "LosAngeles California";
                e[0].Phone = "310-235-1535";
                e[0].Country = "US";
                e[1] = new Employee();
                e[1].Name = "Ajay Singh";
                e[1].Company = "Birlasoft Ltd.";
                e[1].Address = "D-195 Sector Noida";
                e[1].Phone = "120-467500";
                e[1].Country = "India";
                return e;
            }
        }
    }
            using System;
            using System.Collections;
            using System.ComponentModel;
            using System.Data;
            using System.Linq;
            using System.Web;
            using System.Web.Services;
            using System.Web.Services.Protocols;
            using System.Xml.Linq;
            using System.Collections.Generic;
            using System.Web.Script.Services;
            using System.Web.Script.Serialization;

            public class Employee
            {
                public string Name { get; set; }
                public string Company { get; set; }
                public string Address { get; set; }
                public string Phone { get; set; }
                public string Country { get; set; }
            }
            public class feedback
            {
                public string response { get; set; }
            }

            public class SayHello
            {
                public string Greeting { get; set; }
                public string Name { get; set; }
            }
        <!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" >
        <head runat="server">
            <title>Untitled Page</title>
        </head>
        <body>
        <script src="jquery-2.js"></script>

            <form id="form1" runat="server">
            <div>
            <div><br />Example A</div>
            <div id="searchresultsA"></div>
            <div><br />Example B</div>
            <div id="searchresultsB"></div>
            <div><br />Example C</div>
            <div id="searchresultsC"></div>
            <div><br />Example D</div>
            <div id="searchresultsD"></div>
            <div><br />Example E</div>
            <div id="searchresultsE"></div>
            </div>
            </form>  

        </body>

        <script type="text/javascript">
        $(document).ready(function () {

                    // Example A - call a function that returns a string.
                    // Params are sent as form-encoded, data that comes back is text
                    $.ajax({
                        type: "POST",
                        url: "http://localhost:65039/json.asmx/TestJSON",
                        data: "firstName=Aidy&lastName=F", // the data in form-encoded format, ie as it would appear on a querystring
                        //contentType: "application/x-www-form-urlencoded; charset=UTF-8", // if you are using form encoding, this is default so you don't need to supply it
                        dataType: "text", // the data type we want back, so text.  The data will come wrapped in xml
                        success: function (data) {
                            $("#searchresultsA").html(data); // show the string that was returned, this will be the data inside the xml wrapper
                        }
                    });

                                $.ajax({
                        type: "POST",
                        url: "http://localhost:65039/json.asmx/SayHello",
                        data: "{firstName:'Aidy', lastName:'F'}", // the data in JSON format.  Note it is *not* a JSON object, is is a literal string in JSON format
                        contentType: "application/json; charset=utf-8", // we are sending in JSON format so we need to specify this
                        dataType: "json", // the data type we want back.  The data will come back in JSON format
                        success: function (data) {
                            $("#searchresultsB").html(data.d); // it's a quirk, but the JSON data comes back in a property called "d"; {"d":"Hello Aidy F"}
                        }
                    });

                                 $.ajax({
                        type: "POST",
                        url: "http://localhost:65039/json.asmx/TestJSON",
                        data: { firstName: 'Aidy', lastName: 'F' }, // here we are specifing the data as a JSON object, not a string in JSON format
                                // this will be converted into a form encoded format by jQuery
                        // even though data is a JSON object, jQuery will convert it to "firstName=Aidy&lastName=F" so it *is* form encoded
                        contentType: "application/x-www-form-urlencoded; charset=UTF-8",
                        dataType: "text", // the data type we want back, so text.  The data will come wrapped in xml
                        success: function (data) {
                            $("#searchresultsC").html(data); // show the data inside the xml wrapper
                        }
                    });

                    $.ajax({
                        type: "POST",
                        url: "http://localhost:65039/json.asmx/SayHelloJson",
                        data: "{ firstName: 'Aidy', lastName: 'F' }",
                        contentType: "application/json; charset=utf-8",
                        dataType: "json",
                        success: function (data) {
                            var myData = JSON.parse(data.d); // data.d is a JSON formatted string, to turn it into a JSON object
                                                             // we use JSON.parse

                            // now that myData is a JSON object we can access its properties like normal
                            $("#searchresultsD").html(myData.Greeting + " " + myData.Name);
                        }
                    });

                                $.ajax({
                        type: "POST",
                        url: "http://localhost:65039/json.asmx/FeedbackD",
                        data: "{ firstName: 'Aidy', lastName: 'F' }", 
                        contentType: "application/json; charset=utf-8",
                        dataType: "json",
                        success: function (data) {
                            var myData = JSON.parse(data.d); // data.d is a JSON formatted string, to turn it into a JSON object
                                                             // we use JSON.parse

                            // now that myData is a JSON object we can access its properties like normal
                            $("#searchresultsE").html(myData.sresponse);
                        }
                    });


                                    });


        </script>



        </html>
        Example A
        [{"Name":"Ajay Singh","Company":"Birlasoft Ltd.","Address":"LosAngeles California","Phone":"1204675","Country":"US"},{"Name":"Ajay Singh","Company":"Birlasoft Ltd.","Address":"D-195 Sector Noida","Phone":"1204675","Country":"India"}]


        Example B
        Hello Aidy F


        Example C
        [{"Name":"Ajay Singh","Company":"Birlasoft Ltd.","Address":"LosAngeles California","Phone":"1204675","Country":"US"},{"Name":"Ajay Singh","Company":"Birlasoft Ltd.","Address":"D-195 Sector Noida","Phone":"1204675","Country":"India"}]


        Example D
        Hello Aidy F


        Example E
        success