silverlight 与web service 通信

namespace webserver.Web
{
    /// <summary>
    /// timeWebService 的摘要说明
    /// </summary>
    [WebService(Namespace = "http://tempuri.org/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    [System.ComponentModel.ToolboxItem(false)]
    // 若要允许使用 ASP.NET AJAX 从脚本中调用此 Web 服务，请取消对下行的注释。
    // [System.Web.Script.Services.ScriptService]
    public class timeWebService : System.Web.Services.WebService
    {

        [WebMethod]
        public string GetTime(int day)
        {
            return DateTime.Now.AddDays(day).ToShortDateString();
        }
    }
}

using webserver.ServiceReference1;
namespace webserver
{
    public partial class MainPage : UserControl
    {
        public MainPage()
        {
            InitializeComponent();
            //创建web服务
            timeWebServiceSoapClient time = new timeWebServiceSoapClient();
            //申明调用完成的事件处理
            time.GetTimeCompleted += new EventHandler<GetTimeCompletedEventArgs>(time_GetTimeCompleted);
            //开始异步调用
            time.GetTimeAsync(10);
        }

        void time_GetTimeCompleted(object sender, GetTimeCompletedEventArgs e)
        {
            MessageBox.Show(e.Result);
        }
    }
}