To invoke a Web service asynchronously

Web|web Services | Asynchronous////////////////////////////////////////////////////////////////////////////////
Author:stardicky//
E-mail:stardicky@hotmail.com//
qqnumber:9531511//
Companyname:ezone International//
class:hbs-0308//
Title: Calling the Web Service asynchronously//
////////////////////////////////////////////////////////////////////////////////

Number of files 2

File 1////////////////////////////////////////////////////////////////////////

Using System;
Using System.Collections;
Using System.ComponentModel;
Using System.Data;
Using System.Diagnostics;
Using System.Web;
Using System.Web.Services;

Namespace Webservicedemo
{
<summary>
Summary description of the Service1.
</summary>
[WebService (namespace= "http://www.ezone.com.cn")]
public class EzoneService:System.Web.Services.WebService
{
Public Ezoneservice ()
{
CodeGen: This call is required by the ASP.net Web service designer
InitializeComponent ();
}

Code generated #region Component Designer

Required by the WEB service designer
Private IContainer components = null;

<summary>
Designer supports required methods-do not use the Code editor to modify
The contents of this method.
</summary>
private void InitializeComponent ()
{
}

<summary>
Clean up all resources that are in use.
</summary>
protected override void Dispose (bool disposing)
{
if (disposing && components!= null)
{
Components. Dispose ();
}
Base. Dispose (disposing);
}

#endregion

WEB Services Sample
HelloWorld () sample service return string Hello World
To build, uncomment the following lines, and then save and build your project
To test this WEB service, press the F5 key

[WebMethod]
public string HelloWorld ()
{
Return to "Hello World";
}
}
}
File 2////////////////////////////////////////////////////////////////////////
Using System;
Using System.Web.Services;
Using System.Web;
Using ConsoleApp.www.ezone.com.cn;

Namespace ConsoleApp
{
<summary>
Summary description of the CLASS1.
</summary>
Class MyConsole
{
static bool Mystatus=false;

<summary>
The main entry point for the application.
</summary>
[STAThread]
static void Main (string[] args)
{
//
TODO: Add code here to start the application
//
Creating a Web Service object
Ezoneservice myserviceobj=new Ezoneservice ();

Console.WriteLine ("Start calling Remote Web Service ...");

Start an asynchronous call to a remote service
Myserviceobj.beginhelloworld (New AsyncCallback (Myhelloworld), myserviceobj);

int i=0;
while (Myconsole.mystatus!=true)
{
i++;
Console.WriteLine ("Wait for the Web service call to end ... #" +i.tostring);
}

Console.WriteLine ("Remote Call End");


}

This method is automatically invoked by the operating system
static void Myhelloworld (IAsyncResult iar)
{
Ezoneservice myservice= (ezoneservice) IAR. asyncstate;
Console.WriteLine (Myservice.endhelloworld (IAR));
End Remote Call

Myconsole.mystatus=true;
}
}
}

Results/////////////////////////////////////////////////////////////////////////
Note: The exact number of waits is related to the speed of your machine, and it has nothing to do with the program!
Start calling Remote Web service ...
Wait for the Web service call to end ... #1
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Hello World
Remote Call End
Press any key to continue