>>>Hi everybody,
>>>
>>>I have a form with a pageframe with 2 pages. On the first page I have several comboboxes. One of them for unknown reason refuses to show value. I see that it does have correct value, however, then form displays, this combobox appears blank. Other comboboxes show their values correctly.
>>>
>>>I'm wondering how can I find out why it doesn't keep its value?
>>>
>>>Thanks in advance.
>>
>>blank combo ListIndex is ?
>>
>>Debug:
>>try to set ListIndex to a value ...
>
>Do you mean try any value, not the one which should correspond to the real value?

Sure.
try combo feature. ListIndex

If this work then try specific feature.

VFP uses Value to found a ListIndex.
If this doesn't work then the "value not found" it is the problem.