[转载] 学会使用Web Service上（服务器端访问）~~~

using System;
using System.Web;
using System.Web.Services;
using System.Web.Services.Protocols;

[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
public class Service : System.Web.Services.WebService
{
    public Service()
    {

        //如果使用设计的组件，请取消注释以下行 
        //InitializeComponent(); 
    }

    [WebMethod]
    public string HelloWorld()
    {
        return "Hello World";
    }
}

using System;
using System.Web;
using System.Web.Services;
using System.Web.Services.Protocols;

[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.None)]
public class Service : System.Web.Services.WebService
{
    public Service()
    {
    }

    [WebMethod]
    public string Hello(string name)
    {
        return string.Format("Hello,{0}!Current Time is :{1}", name, DateTime.Now.ToString());
    }
}

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        ServiceNamespace.Service ws = new ServiceNamespace.Service();
        Response.Write(ws.Hello("Ruihua"));
    }
}

//------------------------------------------------------------------------------
// <auto-generated>
//     此代码由工具生成。
//     运行库版本:2.0.50727.42
//
//     对此文件的更改可能会导致不正确的行为，并且如果
//     重新生成代码，这些更改将会丢失。
// </auto-generated>
//------------------------------------------------------------------------------

using System;
using System.ComponentModel;
using System.Diagnostics;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Xml.Serialization;

// 
// 此源代码由 wsdl 自动生成, Version=2.0.50727.42。
// 


/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute("wsdl", "2.0.50727.42")]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Web.Services.WebServiceBindingAttribute(Name = "ServiceSoap", Namespace = "http://ruihua.cnblogs.com/")]
public partial class Service : System.Web.Services.Protocols.SoapHttpClientProtocol
{

    private System.Threading.SendOrPostCallback HelloOperationCompleted;

    /// <remarks/>
    public Service()
    {
        this.Url = "http://localhost/WebService/Service.asmx";
    }

    /// <remarks/>
    public event HelloCompletedEventHandler HelloCompleted;

    /// <remarks/>
    [System.Web.Services.Protocols.SoapDocumentMethodAttribute("http://ruihua.cnblogs.com/Hello", RequestNamespace = "http://ruihua.cnblogs.com/", ResponseNamespace = "http://ruihua.cnblogs.com/", Use = System.Web.Services.Description.SoapBindingUse.Literal, ParameterStyle = System.Web.Services.Protocols.SoapParameterStyle.Wrapped)]
    public string Hello(string name)
    {
        object[] results = this.Invoke("Hello", new object[] {
                    name});
        return ((string) (results[0]));
    }

    /// <remarks/>
    public System.IAsyncResult BeginHello(string name, System.AsyncCallback callback, object asyncState)
    {
        return this.BeginInvoke("Hello", new object[] {
                    name}, callback, asyncState);
    }

    /// <remarks/>
    public string EndHello(System.IAsyncResult asyncResult)
    {
        object[] results = this.EndInvoke(asyncResult);
        return ((string) (results[0]));
    }

    /// <remarks/>
    public void HelloAsync(string name)
    {
        this.HelloAsync(name, null);
    }

    /// <remarks/>
    public void HelloAsync(string name, object userState)
    {
        if ((this.HelloOperationCompleted == null))
        {
            this.HelloOperationCompleted = new System.Threading.SendOrPostCallback(this.OnHelloOperationCompleted);
        }
        this.InvokeAsync("Hello", new object[] {
                    name}, this.HelloOperationCompleted, userState);
    }

    private void OnHelloOperationCompleted(object arg)
    {
        if ((this.HelloCompleted != null))
        {
            System.Web.Services.Protocols.InvokeCompletedEventArgs invokeArgs = ((System.Web.Services.Protocols.InvokeCompletedEventArgs) (arg));
            this.HelloCompleted(this, new HelloCompletedEventArgs(invokeArgs.Results, invokeArgs.Error, invokeArgs.Cancelled, invokeArgs.UserState));
        }
    }

    /// <remarks/>
    public new void CancelAsync(object userState)
    {
        base.CancelAsync(userState);
    }
}

/**/
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute("wsdl", "2.0.50727.42")]
public delegate void HelloCompletedEventHandler(object sender, HelloCompletedEventArgs e);

/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute("wsdl", "2.0.50727.42")]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
public partial class HelloCompletedEventArgs : System.ComponentModel.AsyncCompletedEventArgs
{

    private object[] results;

    internal HelloCompletedEventArgs(object[] results, System.Exception exception, bool cancelled, object userState)
        :
            base(exception, cancelled, userState)
    {
        this.results = results;
    }

    /// <remarks/>
    public string Result
    {
        get
        {
            this.RaiseExceptionIfNecessary();
            return ((string) (this.results[0]));
        }
    }
}