using System; 
using System.Data;
using System.Data.SqlClient;

namespace RemoteObject 
{ 
    public class MyObject:MarshalByRefObject 
    { 
        public DataSet GetData()
        {
            SqlConnection conn=new SqlConnection(System.Configuration.ConfigurationSettings.AppSettings["strconn"]);
            SqlDataAdapter da=new SqlDataAdapter("select * from UBI_ProvinceMaster",conn);
            DataSet ds=new DataSet();
            da.Fill(ds);
            return ds;
        }
    }
} 

原文转自：http://www.ltesting.net