reportviewer displays only design of report not data

i have follwing code for displaying reprort in reportviewer but it displays only design of report means title,column names etc not data

SqlCommand cmd = con.CreateCommand();

cmd.CommandType = CommandType.Text;

cmd.CommandText = "select * from order1";

con.Open();

cmd.ExecuteNonQuery();

con.Close();

SqlDataAdapter da = new SqlDataAdapter(cmd);

rpv.RefreshReport();

rpv.ProcessingMode = ProcessingMode.Local;

rpv.LocalReport.ReportPath = s3;

ReportDataSource rps = new ReportDataSource("dataset1",s3);

rpv.LocalReport.DataSources.Clear();

rpv.LocalReport.DataSources.Add(rps);

please correct it

thaks