Call WCF Service using jQuery

// Javascript

var Type;

var Url;

var Data;

var ContentType;

var DataType;

var ProcessData;

function CallService() {

    $.ajax({

        type: Type, //GET or POST or PUT or DELETE verb

        url: Url, // Location of the service

        data: Data, //Data sent to server

        contentType: ContentType, // content type sent to server

        dataType: DataType, //Expected data format from server

        processdata: ProcessData, //True or False

        success: function (msg) {//On Successfull service call

            ServiceSucceeded(msg);

        },

        error: ServiceFailed// When Service call fails

    });

}

function ServiceSucceeded(result) {

    alert("muthuvel");

    if (DataType == "json") {

        resultObject = result.GetUserResult;

        for (i = 0; i < resultObject.length; i++) {

            alert(resultObject[i]);

        }

    }

}

function ServiceFailed(xhr) {

    alert("Failed");

    alert(xhr.responseText);

    if (xhr.responseText) {

        var err = xhr.responseText;

        if (err)

            error(err);

        else

            error({ Message: "Unknown server error." })

    }

    return;

}

function getName() {

    var uesrid = "1";

    Type = "POST";

    Url = "Services/Service.svc/GetUser";

    Data = '{"Id": "' + uesrid + '"}';

    ContentType = "application/json; charset=utf-8";

    DataType = "json"; ProcessData = true;

    CallService();

}

// WCF Service

// Service.svc

using System;

using System.Collections.Generic;

using System.Linq;

using System.ServiceModel.Activation;

namespace AssessmentmanagerHTML5

{

    // NOTE: You can use the "Rename" command on the "Refactor" menu to change the class name "Service" in code, svc and config file together.

    [AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)]

    public class Service : IService

    {

        public string GetData(int value)

        {

            return string.Format("You entered: {0}", value);

        }

        public string[] GetUser(string Id)

        { return new User().GetUser(Convert.ToInt32(Id)); }

    }

    public class User

    {

        Dictionary users = null;

        public User()

        {

            users = new Dictionary();

            users.Add(1, "pranay");

            users.Add(2, "Krunal");

            users.Add(3, "Aditya");

            users.Add(4, "Samir");

        }

        public string[] GetUser(int Id)

        {

            var user = from u in users

                       where u.Key == Id

                       select u.Value;

            return user.ToArray();

        }

    }

}

// IService

using System;

using System.Collections.Generic;

using System.Linq;

using System.Runtime.Serialization;

using System.ServiceModel;

using System.Text;

using System.ServiceModel.Web;

namespace AssessmentmanagerHTML5

{

    // NOTE: You can use the "Rename" command on the "Refactor" menu to change the interface name "IService" in both code and config file together.

    [ServiceContract]

    public interface IService

    {

        [OperationContract]

        [WebInvoke(Method = "GET", ResponseFormat = WebMessageFormat.Json)]

        string GetData(int value);

        [OperationContract]

        [WebInvoke(Method = "POST", BodyStyle = WebMessageBodyStyle.Wrapped, ResponseFormat = WebMessageFormat.Json)]

        string[] GetUser(string Id);

    }

}