Conversions

This function is for BASIC compatibility. It is not available in pure JavaScript projects.

Function

CBool(expression)

CByte(expression)

CCur(expression)

CDate(expression)

CDbl(expression)

CInt(expression)

CLng(expression)

CSng(expression)

CStr(expression)

Description

The conversion functions return an expression that has been converted to the appropriate type. The required parameter, expression, is any valid expression.

If the return value lies outside the acceptable range of its return type, an error occurs.

Table 5: Conversion Functions

Function	Returns	Comments
CBool	Boolean	False if expression is zero True otherwise
CByte	Byte	A whole number that ranges from 0 to 255
CCur	Currency	A Currency Datum
CDate	Date	Date range January 1, 100 to December 31, 9999, Valid expressions are date expressions, or date/time literals
CDbl	Double	Number ranges from -1.79769313486232E308 to -4.94065645841247E-324 for negative values, and from 4.94065645841247E-324 to 1.79769313486232E308 for positive values
CInt	Integer	Number ranges from -32,768 to 32,767, values with fractional parts (fp) are rounded fp < 0.5 rounded down fp > 0.5 rounded up fp = 0.5 rounded to nearest even number
CLng	Long Integer	Number ranges from -2,147,483,648 to 2,147,483,647, values with fractional parts (fp) are rounded fp < 0.5 rounded down fp > 0.5 rounded up fp = 0.5 rounded to nearest even number
CSng	Single	Number ranges from -3.403823E38 to -1.401298E-45 for negative numbers, and from 1.401298E-45 to 3.403823E38 for positive numbers
CStr	String	•Booleans are converted to "True" or "False" •Dates converted to short-date format of system •Errors converted to "Error <number>" •Numbers converted to string containing the number

Example (Basic)

Rem Conversion Functions Example

Print "CByte(99.44) = " & CByte(99.44)
Print "CCur(9283.066) = " & CCur(9283.066)
Print "CDate(8/18/98) = " & CDate("8/18/98")
Print "CDbl(3.141593) = " & CDbl("3.141593")
Print "CInt(3.141593) = " & CInt("3.141593")
Print "CSng(10) = " & CSng(10)
Print "CStr(TRUE) = " & CStr(TRUE)
Print "CInt(""&h100"") = " & CInt("&h100")

Output

CByte(99.44) = 99
CCur(9283.066) = 9283.066
CDate(8/18/98) = 8/18/1998
CDbl(3.141593) = 3.141593
CInt(3.141593) = 3
CSng(10) = 10
CStr(TRUE) = True
CInt("&h100") = 256

Related Items

Is, Number