Not confusing at all! All this makes me think that it is in code somewhere. Have you tried using something like GoFish to search to see if the input mask is getting assigned during runtime?

Renoir



>Thanks Renoir for responding.
>
>>Can you make a copy of the form or project and try setting all the input masks back to default as a test? Doing one by one would be the best way to see which one is causing the problem. Or adding values back into the input mask one by one. Also,
>
>I have checked all the cols and its control inputmask, the thing is none of them have any, they are all defaults (not bold) and having (none) in them. I also tried this the other was, though they were default (none) I pressed enter on them and made them (none) but bold, still no change.
>
>
>>are there any classes involved here? You mentioned that it is starting to occur other places as well.
>
>The class involved is a quickfill combo. One thing I have noticed (in the latest manifestation <g>) is that there are 3 cbo in this grid of the same type but this message comes only once.
>
>Whereas in the older happening, there were again 3 cbo in the grid and occured 3 times. Still more this older occurance went away, magic, but now that I have added a new column to this older grid it is giving error but this time once. Sorry if this sounds confusing.
>
>>Bhavbhuti,
>>
>>
>>Renoir
>>
>>>Hi all
>>>
>>>Recently I seem to be having this error:
>>>
>>>Expression is invalid. Use a valid expression for INPUTMASK property.
>>>
>>>This seems to be happening in grids only. Why it happens I really can't understand. I had these grids which were working alright. I have checked INPUTMASKs of all columns and controls, most of which were empty.
>>>
>>>One grid like I said working alright, I added a column to it and this message started.
>>>
>>>Please advise. I have run out of ideas and this was once a single project problem seems to have come up in other project also.