Load XML from Remote Server and Bind it to ASP.Net DropDownList

thanks sir for ur helpful code actually the problem was of newline character so i made littile changes in follwing codes it worked.....thanks a lot sir.....please be in touch sir..

protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {          

            DataSet ds = new DataSet();
            DataSet ds1 = new DataSet();
            string url = "http://letitgo.asia/api/serviceData.go?apimode=test&goid=5011000001&password=test123&rtype=xml&service_family=02";
            System.Net.WebRequest request = System.Net.WebRequest.Create(url);
            using (System.Net.WebResponse response = (System.Net.HttpWebResponse)request.GetResponse())
            {
                using (System.IO.StreamReader reader = new System.IO.StreamReader(response.GetResponseStream(), Encoding.UTF8))
                {
                    ds.ReadXml(reader);

                    // ADDED NEW DATE 17/6/2012

                    ds1 = ds.Clone();
                    int i;
                    for (i = 0; i <= ds.Tables[0].Rows.Count - 1; i++)
                    {
                        DataRow dr = ds1.Tables[0].NewRow();
                        dr["operator_name"] = ds.Tables[0].Rows[i]["operator_name"].ToString().Trim();
                        dr["operator_code"] = ds.Tables[0].Rows[i]["operator_code"].ToString().Trim();
                        dr["margin_wv"] = ds.Tables[0].Rows[i]["margin_wv"].ToString().Trim();

                        ds1.Tables[0].Rows.Add(dr);
                    }

                    //ADDED NEW DATE 17/6/2012 DONE !!


                    DropDownList1.DataSource = ds1;
                    DropDownList1.DataTextField = "operator_name";
                    DropDownList1.DataValueField = "operator_code";
                    DropDownList1.DataBind();
                    
                    DropDownList1.Items.Insert(0, new ListItem("Select", ""));
                    DropDownList1.SelectedIndex = 0;
                }
            }
        }
    }