C# DataTable 條件查詢

DataTable drReport=new DataTable();

DataRow[] pdrs111 = dtReport.Select("code=''" + strNoCode + "''");
                        if (pdrs111.Length > 0)
                        {
                            foreach (DataRow dr111 in pdrs111)
                            {
                                decfd_1 = Convert.ToDouble(dr111["fd"].ToString());
                                dr111["fd_no"] = dtNOValue;
                                dr111["fd_no_toal"] = decfd_1 + dtNOValue;
                            }
                        }