private bool WhereNull(DataTableResult row , DataTableSelectorData wheres){
return string.IsNullOrEmpty(row[wheres.Field]);
}
private bool WhereNotNull(DataTableResult row , DataTableSelectorData wheres){
return !WhereNull(row, wheres);
}
private bool WhereNested(DataTableResult row , DataTableSelectorData wheres){
return Filter(row , wheres.Selector.Wheres);
}
