crystal report display last record when set parameter by coding

i use :

for(int i=0;i<code.length;i++)>
                {
                    strSelection=strSelection+"'"+code[i]+"'"+",";
                }

                strSelection = strSelection.Substring(0, strSelection.Length - 1);
                string str = "select crbal*-1 as crbal,glname, glcode,contprsn, refby, glphone1, glcity, glphone2, email, crlimit, restorddueamt  from glmast WHERE drgroup='A3402' and crbal<>0 and glcode in(" + strSelection + ")";
                SqlDataAdapter ad = new SqlDataAdapter(str, con2);
                DataSet ds = new DataSet();

                ad.Fill(ds);

                path = Server.MapPath("Debtors_Total_Outstanding_Report.Rpt");
                cr = new ReportDocument();
                cr.Load(path);
                
                cr.SetDataSource(ds.Tables[0]);
              
                cr.SetParameterValue(0,ds.Tables[0].Rows[0][1].ToString());
                cr.SetParameterValue(1,company_name);
                cr.SetParameterValue(2, database_name);
                       
                CrystalReportViewer1.ReportSource = cr;
                CrystalReportViewer1.DataBind();