using  System;

using  System.Web;

using  System.Collections;

using  System.Web.Services;

using  System.Web.Services.Protocols;

using  Microsoft.Web.Script.Services;

using  System.Data;

/**/ /// <summary>

/// WS1 的摘要说明

/// </summary> [WebService(Namespace  =   " http://tempuri.org/ " )]

[WebServiceBinding(ConformsTo  =  WsiProfiles.BasicProfile1_1)]

[ScriptService]

public   class  WS1 : System.Web.Services.WebService  {

    public WS1 () {

        //如果使用设计的组件，请取消注释以下行 

        //InitializeComponent(); 

    }

    [WebMethod]

    public string ServerTime()

    {

        return String.Format("now： {0}", DateTime.Now);

    }

    [WebMethod]

    public DataTable GetDataTable()

    {

        DataTable dt = new DataTable("Person");

        dt.Columns.Add(new DataColumn("Name", typeof(string)));

        dt.Columns.Add(new DataColumn("LastName", typeof(string)));

        dt.Columns.Add(new DataColumn("Email", typeof(string)));

        dt.Rows.Add("kui", "he", "hekui168@163.com");

        dt.Rows.Add("ren", "chao", "chaoren888@163.com");

        return dt;

    }

}

using  System;

using  System.Web;

using  System.Collections;

using  System.Web.Services;

using  System.Web.Services.Protocols;

using  Microsoft.Web.Script.Services;

/**/ /// <summary>

/// WS 的摘要说明

/// </summary> [WebService(Namespace  =   " http://tempuri.org/ " )]

[WebServiceBinding(ConformsTo  =  WsiProfiles.BasicProfile1_1)]

[ScriptService]

public   class  WS : System.Web.Services.WebService  {

    public WS () {

        //如果使用设计的组件，请取消注释以下行 

        //InitializeComponent(); 

    }

    [WebMethod]

    [ScriptMethod(UseHttpGet = true)]

    public string HelloWorld(String query)

    {

        string inputString = Server.HtmlEncode(query);

        if (!String.IsNullOrEmpty(inputString))

        {

            return String.Format("hello, {0}. ", inputString);

        }

        else

        {

            return "query string is null or empty";

        }

    }

}

         < asp:ScriptManager  ID ="ScriptManager1"  runat ="server" >

             < Services >

                 < asp:ServiceReference  Path ="~/WS.asmx"   />

                 < asp:ServiceReference  Path ="~/WS1.asmx"   />

             </ Services >

         </ asp:ScriptManager >

<% @ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default"  %>

<! DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd" >

< html  xmlns ="http://www.w3.org/1999/xhtml" >

< head  runat ="server" >

     < title > Untitled Page </ title >

     < script  language ="javascript"  type ="text/javascript"  src ="js.js" >

     </ script >

</ head >

< body >

     < form  id ="form1"  runat ="server" >

         < asp:ScriptManager  ID ="ScriptManager1"  runat ="server" >

             < Services >

                 < asp:ServiceReference  Path ="~/WS.asmx"   />

                 < asp:ServiceReference  Path ="~/WS1.asmx"   />

             </ Services >

         </ asp:ScriptManager >

         < div >

             < asp:Button  ID ="Button1"  runat ="server"  Text ="Button"  OnClientClick ="dd();return false;"   />

             < div  id ="time" >

             </ div >

             < div  id ="List1" >

                 < asp:DropDownList  ID ="ddl1"  runat ="server"  Width ="187px" >

                 </ asp:DropDownList >

                 </ div >

            

         </ div >

     </ form >

</ body >

</ html >

     function  dd()

     {

        WS.HelloWorld(   

                         'hekui', 

                         function(result) 

                         { 

                            alert(result); 

                         } 

                     );

        WS1.ServerTime(  

                         function(result) 

                         { 

                            alert(result); 

                            var divTime = document.getElementById("time");

                            divTime.innerHTML = result;

                         } 

                     );

       WS1.GetDataTable(

                         function(result) 

                         {

                            // 获取到下拉框控件

                            var List = document.getElementById("ddl1"); 

                                                       

                            //AJAX November CTP 需要用 eval() 方法将其转换成一个DataTable对象(并且要裁掉最前面的"(")

                            var Text= result.dataArray.substring(0,result.dataArray.length -1);            

                            var Table = eval( Text);

                            

                            //AJAX December CTP 支持以下方法转换

//                            var Table = Sys.Preview.Data.DataTable.parseFromJson(result);

                            

                            //清除下拉框原有列表项

                            for (x=List.options.length-1; x > -1; x--) 

                            {

                                List.remove(0);

                            }

                            

                            //从获取的DataTable添加数据到下拉框列表项

                            for (x=0; x < Table.length; x++ )

                            {

                                //获取每一行

                                var Row = Table[x];          

                                //创建一个列表项                  

                                var option = document.createElement("option"); 

                                //列表项显示文本赋值

                                option.text = Row.Name + " " + Row.LastName;   

                                //列表项选项值赋值

                                option.value = Row.Email;                      

                                //判断浏览器类型，进行项目添加     

                                if ( window.navigator.appName.toLowerCase().indexOf("microsoft") > -1) 

                                   List.add(option);  

                                else

                                   List.add(option, null);          

                            }

                         }

                       );

    }

   < system .web.extensions >

     < scripting >

       < webServices >

         < jsonSerialization >

           < converters >

             < add  name ="DataSetConverter"  type ="Microsoft.Web.Preview.Script.Serialization.Converters.DataSetConverter, Microsoft.Web.Preview" />

             < add  name ="DataRowConverter"  type ="Microsoft.Web.Preview.Script.Serialization.Converters.DataRowConverter, Microsoft.Web.Preview" />

             < add  name ="DataTableConverter"  type ="Microsoft.Web.Preview.Script.Serialization.Converters.DataTableConverter, Microsoft.Web.Preview" />

           </ converters >

         </ jsonSerialization >

       </ webServices >

     </ scripting >

   </ system.web.extensions >