Ensuring numeric input

[J. Landman Gay]

Ken Ray wrote:
> On 10/27/05 8:34 AM, "Lynch, Jonathan" <bnz2 at cdc.gov> wrote:
> 
> 
>>.2 is a number
>>. is just a period, not a number
>>
>>-2 is a number
>>- is just a minus sign, not a number
> 
> 
> True... but that raises another UI issue - if the field has ".2" in it and
> someone attempts to delete the "2", do we keep the "." by itself in the
> field, hoping someone will type another number and then tray it on
> closeField to provide an alert? Or do we remove the decimal point as well to
> empty the field? And if we *do* remove the decimal, how would that be
> different from having an empty field and typing a decimal point to start a
> decimal number; before the actual number is typed, there's just a decimal
> point in the field...
> 
> Hmm...

Which is why most of us, I think, check the entry on closefield rather 
than dynamically. If you do that, none of the other problems come up.

-- 
Jacqueline Landman Gay         |     jacque at hyperactivesw.com
HyperActive Software           |     http://www.hyperactivesw.com