using LocalService;
public partial class WSTest : System.Web.UI.Page
{
 
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    /**//// <summary>
    /// 事件驱动的异步模式的异步
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void EventDriveButton_Click(object sender, EventArgs e)
    {
        Response.Write("事件驱动的异步模式的异步 <BR>");
        LocalService.WebService localService = new LocalService.WebService(); //创建代理类对象。
        localService.HelloWorldCompleted += new LocalService.HelloWorldCompletedEventHandler((o, a) => { Response.Write(string.Format("完成时间：{0}。 结果{1}<Br>", DateTime.Now.ToString("mm:ss.ffff"), a.Result)); });//创建事件。写结果与运行事件
        Response.Write(string.Format("开始调用时间：{0}<Br>", DateTime.Now.ToString("mm:ss.ffff")));//开始调用事件
        localService.HelloWorldAsync();//异步调用
        Response.Write(string.Format("调用结束时间：{0}<Br>", DateTime.Now.ToString("mm:ss.ffff")));  
        Thread.Sleep(4000);//等待异步操作完成
    }

}