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


Type: System.Decimal

A decimal number to be rounded.

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.

Exception Condition

mode is not a valid value of System.MidpointRounding.


The result is outside the range of a Decimal.


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

Universal Windows Platform
Available since 8
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
Return to top