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Decimal.Round Method (Decimal, MidpointRounding)

Rounds a decimal value to the nearest integer. A parameter specifies how to round the value if it is midway between two other numbers.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

public static decimal Round(
	decimal d,
	MidpointRounding mode
)

Parameters

d
Type: System.Decimal

A decimal number to round.

mode
Type: System.MidpointRounding

A value that specifies how to round d if it is midway between two other numbers.

Return Value

Type: System.Decimal
The integer that is nearest to the d parameter. If d is halfway between two numbers, one of which is even and the other odd, the mode parameter determines which of the two numbers is returned.

ExceptionCondition
ArgumentException

mode is not a System.MidpointRounding value.

OverflowException

The result is outside the range of a Decimal object.

The behavior of this method follows IEEE Standard 754, section 4. This kind of rounding is sometimes called rounding to nearest or banker's rounding.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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