Only one record displayed in the RDLC Report when binding DataSet

i have  ReportViewer1.LocalReport.ReportPath = Server.MapPath("reports/trp1.rdlc");                 ReportDataSource rdS = new ReportDataSource("LBLDS_Label", GetData());                 ReportViewer1.LocalReport.DataSources.Clear();                 ReportViewer1.LocalReport.DataSources.Add(rdS);                 ReportViewer1.DataBind();                 ReportViewer1.ServerReport.Refresh();                 ReportViewer1.Visible = true;  public DataTable GetData()         { sql statemnet to get data } when i debug & execute the statement i get 4 records but on the report i get only one record