public static DataTable SortAndCompareSelectedFloatToTop(DataTable sourceTable, SligoCS.BL.WI.QueryMarshaller qm)
 {
     return(SortAndCompareSelectedFloatToTop(sourceTable, qm,
                                             SligoCS.DAL.WI.SQLHelper.ConvertToCSV(qm.BuildOrderByList(sourceTable.Columns), false)
                                             ));
 }