pageload taking long time

hello,

 i have wriitten a code like this:

using System;

using System.Data;

using System.Configuration;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using System.Data.SqlClient;

public partial class _Default : System.Web.UI.Page

//SqlConnection con = new SqlConnection();

//SqlCommand cmd = new SqlCommand();

//string st;

lblmtr.Text = "00000000";

lbldat.Text = "00000000";

lblvol1.Text = "000000";

lblvol3.Text = "000000";

lblcur2.Text = "000000";

lbllin1.Text = "000000";

// database();

//localhost.Service obj = new localhost.Service();

ds = obj.data("1");

lblfreq.Text = ds.Tables["electricmeter"].Rows[0][1].ToString();

lbltime.Text = ds.Tables["electricmeter"].Rows[0][12].ToString();

lblvol2.Text = ds.Tables["electricmeter"].Rows[0][3].ToString();

lblcu1.Text = ds.Tables["electricmeter"].Rows[0][5].ToString();

lblcur3.Text = ds.Tables["electricmeter"].Rows[0][7].ToString();

lbllin2.Text = ds.Tables["electricmeter"].Rows[0][9].ToString();