<%@ WebService Language="c#" Class="DataService" %> using System.Data; using System.Web.Services; public class DataService { [WebMethod] public DataSet QueryData (string query) { DataSet ds = new DataSet(); DataTable dt = ds.Tables.Add("PhoneNumbers"); dt.Columns.Add("name"); dt.Columns.Add("home"); DataRow newRow; newRow = dt.NewRow(); newRow["name"] = "Lluis"; newRow["home"] = "23452345"; dt.Rows.Add (newRow); newRow = dt.NewRow(); newRow["name"] = "Pep"; newRow["home"] = "435345"; dt.Rows.Add (newRow); return ds; } [WebMethod] public int SaveData (DataSet dset) { DataTable t = dset.Tables["PhoneNumbers"]; return t.Rows.Count; } }