Ajax非同步呼叫ashx返回序列化類別

最後更新：2018-12-05 來源：互聯網

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GetEmployee.ashx 代碼

<%@ WebHandler Language="C#" Class="AspNetAjaxOverview.GetEmployee" %>using System;using System.Web;using System.Web.Script.Serialization;namespace AspNetAjaxOverview{    public class GetEmployee : IHttpHandler    {        public void ProcessRequest(HttpContext context)        {            context.Response.ContentType = "text/plain";                        string firstName = context.Request.Params["firstName"];            string lastName = context.Request.Params["lastName"];            string title = context.Request.Params["title"];            Employee employee = new Employee(firstName, lastName, title);                        JavaScriptSerializer serializer = new JavaScriptSerializer();            string jsonEmp = serializer.Serialize(employee);                        context.Response.Write(jsonEmp);        }        public bool IsReusable        {            get            {                return false;            }        }    }}

Employee.cs類代碼

View Code

using System;using System.Data;using System.Configuration;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Web.UI.HtmlControls;namespace AspNetAjaxOverview{    /// <summary>    /// Summary description for Employee    /// </summary>    public class Employee    {        private string _FirstName;        private string _LastName;        private string _Title;        public Employee() { }        public Employee(string firstName, string lastName, string title)        {            this._FirstName = firstName;            this._LastName = lastName;            this._Title = title;        }        public string FirstName        {            get            {                return this._FirstName;            }        }        public string LastName        {            get            {                return this._LastName;            }        }        public string Title        {            get            {                return this._Title;            }        }    }}

異表調用ashx代碼

<%@ Page Language="C#" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><script runat="server"></script><html xmlns="http://www.w3.org/1999/xhtml" ><head runat="server">    <title>Asynchronous Communication Layer Overview</title></head><body>    <form id="form1" runat="server">        <asp:ScriptManager ID="ScriptManager1" runat="server">        </asp:ScriptManager>                <script language="javascript" type="text/javascript">            function showEmployee(firstName, lastName, title)            {                var request = new Sys.Net.WebRequest();                request.set_url('GetEmployee.ashx');                request.set_httpVerb("POST");                request.add_completed(onGetEmployeeComplete);                                var requestBody = String.format(                    "firstName={0}&lastName={1}&title={2}",                    encodeURIComponent(firstName),                    encodeURIComponent(lastName),                    encodeURIComponent(title));                request.set_body(requestBody);                                request.invoke();            }                        function onGetEmployeeComplete(response)            {                                            if (response.get_responseAvailable())                {                    var employee = response.get_object();                    alert(String.format(                        "Hello I'm {0} {1}, my title is '{2}'",                        employee.FirstName,                        employee.LastName,                        employee.Title));                }            }        </script>                <input type="button" value="Bill Gates"            onclick="showEmployee('Bill', 'Gates', 'Chair man')" />        <input type="button" value="Steve Ballmer"            onclick="showEmployee('Steve', 'Ballmer', 'CEO')" />    </form></body></html>

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