VBScript Reference Manual for InduSoft Web Studio

InduSoft Web Studio VBScript Reference Manual
Round
Description Returns a number rounded to a specified number of decimal places
Usage Round(expression[, numdecimalplaces])
Arguments expression
Required. Numeric expression being rounded.
numdecimalplaces
Optional. Number indicating how many places to the right of the decimal are included in the
rounding. If omitted, integers are returned by the Round function.
Return A Variant subtype Double. A number rounded to a specified number of decimal places.
Remarks The Round function performs round to even, which is different from round to larger. The return
value is the number closest to the value of expression, with the appropriate number of decimal
places. If expression is exactly halfway between two possible rounded values, the function
returns the possible rounded value whose rightmost digit is an even number. (In a round to larger
function, a number that is halfway between two possible rounded values is always rounded to the
larger number.)
See also Int and Fix
Example Rem Using the Round function to round a number to two decimal places:
Dim MyVar, pi
pi = 3.14159
MyVar = Round(pi, 2) ' MyVar contains 3.14.
Rem How rounding to even works:
Dim var1, var2, var3, var4, var5
var1 = Round(1.5) 'var1 contains 2
var2 = Round(2.5) 'var2 contains 2
var3 = Round(3.5) 'var3 contains 4
var4 = Round(0.985, 2) 'var4 contains 0.98
var5 = Round(0.995, 2) 'var5 contains 1.00
RTrim
Description Returns a copy of a string without leading spaces (LTrim), trailing spaces (RTrim), or both
leading and trailing spaces (Trim).
Usage strVal = RTrim(string)
Arguments string
Required. Any valid string expression.
Remarks If string contains Null, Null is returned.
See Also Left, LeftB, LTrim, Mid, MidB, Right, RightB, Trim
Example The following example uses the LTrim, RTrim, and Trim functions to trim leading spaces, trailing
spaces, and both leading and trailing spaces, respectively
Dim MyVar
MyVar = LTrim(" vbscript ") ' MyVar contains "vbscript ".
MyVar = RTrim(" vbscript ") ' MyVar contains " vbscript".
MyVar = Trim(" vbscript ") ' MyVar contains "vbscript".
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