>>>>Why do you do the index if they are already on the form, in the DE, in parent-child relationship? The movement of the file pointer in the parent table should automaticall fetch the child recs for the parent, in the grid.
>>>>
>>>>Terry
>>>
>>>Because of sorting for display purposes.
>>
>>When you create a new index you may be breaking relationship between your tables. You may need to re-establish relationship after that.
>
>But I don't break relationship. I have checked in Data Session, relationship is there and when I browse tables everything is ok, data is there as it should be, only thing is that is not showed in Form. That's why I think it's a bug.

What was the relationship based on and what was your index expression? In any case, you may temporary remove relation and re-set it after INDEX ON command. You may also would have to move record pointer.

Or use predefined indexes as Mike suggested.