Jim Booth posted a textbox class to "fix" numeric data entry and you might be able to use that as a jumping off point. It's here in the Files section.

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>Any good textbox classes or tools for entering currency?
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>For example, I would like to display the following when user enters 1234.56
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>

>key - display
>1   - $1.00
>2   - $12.00
>3   - $123.00
>4   - $1,234.00
>.   - $1,234.00
>5   - $1,234.50
>6   - $1,234.56
>

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>Should have the option of displaying nothing or $0.00 if value is $0 and of course, needs to handle negative numbers.
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>I've actually written a class to do this, but its quite complex and I'd love to find a simpler way.