>Hi Ed,
>
>>>You can use the funcion TYPE.
>>>Example:
>>>
>>>IF TYPE(mynumber) = "N"
>>> WAIT WINDOW "IT'S A NUMBER!!!"
>>>ELSE
>>> WAIT WINDOW "IT'S SOMETHING ELSE!"
>>>ENDIF
>>>
>>>
>>>Cheers,
>>>
>>>Ricardo
>>
>>Excuse me it should be:
>>
>>a = "123"
>>TYPE("A") = "C"
>>a = 123
>>TYPE("A") = "N"
>
> That's it. I asked exactly about it and Ricardo helped me. Now look which code I placed in edit valid event:
>

>local lnLines, i, lcString
>lnLines=memlines(this.value)
>store 0 to _mline
>for i=1 to lnLines && Loop through all lines
>  lcString=alltrim(mline(this.value,1,_mline)) && each line
>  if len(lcString)<>5 or type(lcString)<>'N' && typo occurs!

"  123" or "123  " both are legal and satisfy this condition.  So is "-1234".

>     =messagebox('You must type only 5 digits in each line!',48,'Error')
>     return .f.
>  endif
>next
>

>
>  Very simple and works fine! As I said, I assume, that there are no more 5-6 lines, which users will type. So, what's the reason to switch? :)

EMail: EdR@edrauh.com
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