Math.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 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 be rounded.

mode
Type: System.MidpointRounding

Specification for how to round d if it is midway between two other numbers.

Return Value

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

ExceptionCondition
ArgumentException

mode is not a valid value of System.MidpointRounding.

OverflowException

The result is outside the range of a Decimal.

NoteNote

For examples and comprehensive usage information about this and other overloads of the Round method, see the Round reference page.

.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

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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