在客户端生成类型代理

//客户端代码

  <form id="form1" runat="server">
        <asp:ScriptManager ID="ScriptManager1" runat="server">
            <Services>
                <asp:ServiceReference Path="ColorService.asmx" InlineScript="true" />
            </Services>
        </asp:ScriptManager>
        
        <input type="button" value="Reverse Color" onclick="ReverseColor()" />
        
        <script language="javascript" type="text/javascript">
            function ReverseColor()
            {
                //直接使用代理对象
                var color = new ComplexType.Color();
                color.Red = 50;
                color.Green = 100;
                color.Blue = 200;
                ColorService.Reverse(color, onSucceeded);
            }
            
            function onSucceeded(result)
            {
                alert(String.format(
                    "Red: {0}\nGreen: {1}\nBlue: {2}",
                    result.Red,
                    result.Green,
                    result.Blue));
            }
        </script>
    </form>

//WebService

    [WebMethod]
    //生成客户端代理
    [GenerateScriptType(typeof(Color))]
    public Color Reverse(Color color)
    {
        return new Color(
            (byte)(255 - color.Red),
            (byte)(255 - color.Green),
            (byte)(255 - color.Blue));
    }