把Web Services生成服务器端C#、VB。或者接口

<configuration>

    <system.web>
        <compilation debug="true" targetFramework="4.0" />
    </system.web>

    <system.serviceModel>
        <bindings>
            <basicHttpBinding>
                <binding name="DataInfoSoap" />
            </basicHttpBinding>
        </bindings>
        <client>
            <endpoint address="http://localhost:9213/DataInfo.asmx" binding="basicHttpBinding"
                bindingConfiguration="DataInfoSoap" contract="GetInfo.DataInfoSoap"
                name="DataInfoSoap" />
        </client>
    </system.serviceModel>
</configuration>

// <auto-generated>
//     此代码由工具生成。
//     运行时版本:4.0.30319.18444
//
//     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=4.0.30319.1。
// 


/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute("wsdl", "4.0.30319.1")]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Web.Services.WebServiceBindingAttribute(Name="DataInfoSoap", Namespace="http://tempuri.org/")]
public partial class DataInfo : System.Web.Services.Protocols.SoapHttpClientProtocol {
    
    private System.Threading.SendOrPostCallback HelloWorldOperationCompleted;
    
    private System.Threading.SendOrPostCallback AddOperationCompleted;
    
    /// <remarks/>
    public DataInfo() {
        this.Url = "http://localhost:32768/DataInfo.asmx";
    }
    
    /// <remarks/>
    public event HelloWorldCompletedEventHandler HelloWorldCompleted;
    
    /// <remarks/>
    public event AddCompletedEventHandler AddCompleted;
    
    /// <remarks/>
    [System.Web.Services.Protocols.SoapDocumentMethodAttribute("http://tempuri.org/HelloWorld", RequestNamespace="http://tempuri.org/", ResponseNamespace="http://tempuri.org/", Use=System.Web.Services.Description.SoapBindingUse.Literal, ParameterStyle=System.Web.Services.Protocols.SoapParameterStyle.Wrapped)]
    public string HelloWorld() {
        object[] results = this.Invoke("HelloWorld", new object[0]);
        return ((string)(results[0]));
    }
    
    /// <remarks/>
    public System.IAsyncResult BeginHelloWorld(System.AsyncCallback callback, object asyncState) {
        return this.BeginInvoke("HelloWorld", new object[0], callback, asyncState);
    }
    
    /// <remarks/>
    public string EndHelloWorld(System.IAsyncResult asyncResult) {
        object[] results = this.EndInvoke(asyncResult);
        return ((string)(results[0]));
    }
    
    /// <remarks/>
    public void HelloWorldAsync() {
        this.HelloWorldAsync(null);
    }
    
    /// <remarks/>
    public void HelloWorldAsync(object userState) {
        if ((this.HelloWorldOperationCompleted == null)) {
            this.HelloWorldOperationCompleted = new System.Threading.SendOrPostCallback(this.OnHelloWorldOperationCompleted);
        }
        this.InvokeAsync("HelloWorld", new object[0], this.HelloWorldOperationCompleted, userState);
    }
    
    private void OnHelloWorldOperationCompleted(object arg) {
        if ((this.HelloWorldCompleted != null)) {
            System.Web.Services.Protocols.InvokeCompletedEventArgs invokeArgs = ((System.Web.Services.Protocols.InvokeCompletedEventArgs)(arg));
            this.HelloWorldCompleted(this, new HelloWorldCompletedEventArgs(invokeArgs.Results, invokeArgs.Error, invokeArgs.Cancelled, invokeArgs.UserState));
        }
    }
    
    /// <remarks/>
    [System.Web.Services.Protocols.SoapDocumentMethodAttribute("http://tempuri.org/Add", RequestNamespace="http://tempuri.org/", ResponseNamespace="http://tempuri.org/", Use=System.Web.Services.Description.SoapBindingUse.Literal, ParameterStyle=System.Web.Services.Protocols.SoapParameterStyle.Wrapped)]
    public int Add(int x, int y) {
        object[] results = this.Invoke("Add", new object[] {
                    x,
                    y});
        return ((int)(results[0]));
    }
    
    /// <remarks/>
    public System.IAsyncResult BeginAdd(int x, int y, System.AsyncCallback callback, object asyncState) {
        return this.BeginInvoke("Add", new object[] {
                    x,
                    y}, callback, asyncState);
    }
    
    /// <remarks/>
    public int EndAdd(System.IAsyncResult asyncResult) {
        object[] results = this.EndInvoke(asyncResult);
        return ((int)(results[0]));
    }
    
    /// <remarks/>
    public void AddAsync(int x, int y) {
        this.AddAsync(x, y, null);
    }
    
    /// <remarks/>
    public void AddAsync(int x, int y, object userState) {
        if ((this.AddOperationCompleted == null)) {
            this.AddOperationCompleted = new System.Threading.SendOrPostCallback(this.OnAddOperationCompleted);
        }
        this.InvokeAsync("Add", new object[] {
                    x,
                    y}, this.AddOperationCompleted, userState);
    }
    
    private void OnAddOperationCompleted(object arg) {
        if ((this.AddCompleted != null)) {
            System.Web.Services.Protocols.InvokeCompletedEventArgs invokeArgs = ((System.Web.Services.Protocols.InvokeCompletedEventArgs)(arg));
            this.AddCompleted(this, new AddCompletedEventArgs(invokeArgs.Results, invokeArgs.Error, invokeArgs.Cancelled, invokeArgs.UserState));
        }
    }
    
    /// <remarks/>
    public new void CancelAsync(object userState) {
        base.CancelAsync(userState);
    }
}

/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute("wsdl", "4.0.30319.1")]
public delegate void HelloWorldCompletedEventHandler(object sender, HelloWorldCompletedEventArgs e);

/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute("wsdl", "4.0.30319.1")]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
public partial class HelloWorldCompletedEventArgs : System.ComponentModel.AsyncCompletedEventArgs {
    
    private object[] results;
    
    internal HelloWorldCompletedEventArgs(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]));
        }
    }
}

/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute("wsdl", "4.0.30319.1")]
public delegate void AddCompletedEventHandler(object sender, AddCompletedEventArgs e);

/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute("wsdl", "4.0.30319.1")]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
public partial class AddCompletedEventArgs : System.ComponentModel.AsyncCompletedEventArgs {
    
    private object[] results;
    
    internal AddCompletedEventArgs(object[] results, System.Exception exception, bool cancelled, object userState) : 
            base(exception, cancelled, userState) {
        this.results = results;
    }
    
    /// <remarks/>
    public int Result {
        get {
            this.RaiseExceptionIfNecessary();
            return ((int)(this.results[0]));
        }
    }
}