In fact, Yuri is absolutely right. You should use loGrid.Columns instead.

Check for column name before trying it's columnorder...

>Yuri --
>
>loGrig.objects is the list of all objects in a container, which, for a grid, is the same as loGrid.columns.
>
>Note that the statement which follows,

lnColIndex = loColumn.controlsource

, would fail if loColumn were not a column object, as only column objects have that property.
>
>I'll make that change, if you think that's a step in the right direction.
>
>However, I have no idea when it might be that this error would occur again -- might be hours, might be weeks. Supposing, for an instant, that this were not the solution. Do you have any other suggestions?
>
>>James,
>>
>>I do not know what are loGrid.Objects and I am not quite sure that all of them are columns. I would use:
>>
>>

>>FOR EACH locolumn IN thisform.Grid1.COLUMNS
>>...
>>
>>

>>
>>
>>
>>>Yuri --