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4GuysFromRolla.com : ASP FAQS : Strings


Question:

I am performing a currency calculation and would like to display the value as 7.30, but it is showing up as 7.3. How can I force two demial places?


[Print this FAQ]

Answer: If you are using VBScript as the server-side scripting language you can use the FormatCurrency function. The FormatCurrency function takes the following arguments:

FormatCurrency(expression[, NumberOfDigitsAfterDecimal[, IncludeLeadingDigit[, UseParensForNegativeValue[, GroupDigits]]]])

The function returns a string that is formatted in the currency format specified by the Web server's system currency settings. So, say that I wished to display the amount of tax in a purchase with two decimal places, I could do:

Dim curPrice, curTaxRate

'Tax rate is 6.725%, let's say
curTaxRate = 0.06725

'The cost of the item was, $45.95, per chance
curPrice = 45.95

'Display the tax cost:
Response.Write "The tax for this purchase comes to: " & _
               FormatCurrency(curPrice * curTaxRate, 2)

The output of this script, when viewed through a browser, is:
The tax for this purchase comes to: $3.09

Note that a dollar sign is displayed before the value of the tax. This is because we are formatting a currency value. If you want to just format a number with a certain number of digits after the decimal place, use the FormatNumber function.

Happy Programming!

-- Read the technical docs for FormatCurrency
-- Read the technical docs for FormatNumber


FAQ posted by Scott Mitchell at 1/18/2001 6:31:07 PM to the Strings category. This FAQ has been viewed 50,969 times.

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Last computed at 9/17/2007 3:22:00 AM


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