WebService异步调用（与委托有关）

发布时间：2020-12-17 02:38:15 所属栏目：安全来源：网络整理

导读：using ?System; using ?System.Collections.Generic; using ?System.ComponentModel; using ?System.Data; using ?System.Drawing; using ?System.Linq; using ?System.Text; using ?System.Windows.Forms; namespace ?WindowsFormsApplication1 { ?????? pu

 
 
using?System;

using?System.Collections.Generic;

using?System.ComponentModel;

using?System.Data;

using?System.Drawing;

using?System.Linq;

using?System.Text;

using?System.Windows.Forms;

namespace?WindowsFormsApplication1
{

??????public?partial?class?Form1?:?Form
??????{

??????????public?Form1()
??????????{
??????????????InitializeComponent();
??????????}

??????????private?void?button1_Click(object?sender,?EventArgs?e)
??????????{

??????????????localhost.Service?t?=?new?WindowsFormsApplication1.localhost.Service();
??????????????MessageBox.Show(t.HelloWorld());

??????????????MessageBox.Show("Down!");
??????????}

??????????private?void?button2_Click(object?sender,?EventArgs?e)
??????????{

??????????????localhost.Service?t?=?new?WindowsFormsApplication1.localhost.Service();

??????????????t.HelloWorldCompleted?+=?new?WindowsFormsApplication1.localhost.HelloWorldCompletedEventHandler(t_HellowordCompleted);
??????????????t.HelloWorldAsync();

??????????????MessageBox.Show("Down!");
??????????}

??????????private?void?t_HellowordCompleted(object?sender,?localhost.HelloWorldCompletedEventArgs?e)
??????????{
??????????????MessageBox.Show(e.Result.ToString());
??????????}

??????????private?void?button3_Click(object?sender,?EventArgs?e)
??????????{

??????????????MessageBox.Show((new?localhost.Service()).GetTime());
??????????}
??????}
}
－－－－－－－－－－－－－－－－－－－－－webService----------------------------

using?System;

using?System.Linq;

using?System.Web;

using?System.Web.Services;

using?System.Web.Services.Protocols;

using?System.Xml.Linq;

using?System.Threading;

[WebService(Namespace?=?"http://tempuri.org/")]
[WebServiceBinding(ConformsTo?=?WsiProfiles.BasicProfile1_1)]

//?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?Service?:?System.Web.Services.WebService
{

?????public?Service?()?{

?????????//Uncomment?the?following?line?if?using?designed?components? 

?????????//InitializeComponent();? 
?????}
?????[WebMethod]

?????public?string?HelloWorld()?{
?????????Thread.Sleep(3000);

?????????return?"Hello?World";
?????}

????////缓存10秒 

?????[WebMethod(false,System.EnterpriseServices.TransactionOption.NotSupported,10)]

?????public?string?GetTime()
?????{

?????????return?DateTime.Now.ToString();
?????}
????
}

（编辑：李大同）

【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容!