WebService.cs檔案程式碼

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Services;
using System.Data;
using System.Data.SqlClient;

/// <summary>
///WebService 的摘要說明
/// </summary>
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
//若要允許使用 ASP.NET AJAX 從指令碼中呼叫此 Web 服務，請取消對下行的註釋。
// [System.Web.Script.Services.ScriptService]
public class WebService : System.Web.Services.WebService {

    public WebService () {

        //如果使用設計的元件，請取消註釋以下行
        //InitializeComponent();
    }

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

      [WebMethod]
 
        public DataSet reader()
 
        {

            string connStr = "data source=dfsad7,1433;User ID=s;pwd=8;Initial Catalog=loDB2s";
            try
 
            {
 
                string sqlStr = "select * from admins";
 
                DataSet ds = new DataSet();
 
                SqlDataAdapter da = new SqlDataAdapter(sqlStr, new SqlConnection(connStr));
 
                da.Fill(ds);
 
                return ds;
 
            }
 
            catch (Exception exp)
 
            {
 
                return null;
 
            }

   
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        localhost.WebService svs = new localhost.WebService();

    
        DataSet ds = new DataSet();

        ds = svs.reader();

        this.GridView1.DataSource = ds.Tables[0];
        GridView1.DataBind();
     }
}