What is the Decimal.Truncate() method in C#?

Overview

The Decimal.Truncate() method in C# is used to return the whole number part of a decimal number, while the fractional part is discarded.

Syntax

public static decimal Truncate (decimal d);

Parameters

d: The decimal value whose integral part we want to return.

Example

// use System
using System;
// create class
class DecimalToSByte
{
    // main method
    static void Main()
    {
        // create decimal values
        decimal d1 = 34.5m;
        decimal d2 = 2.4356345m;
        decimal d3 = 10.34m;
        // convert to SByte
        // and print value
        Console.WriteLine("Decimal Value = {0}, whole number part = {1}",
                    d1,
                    Decimal.Truncate(d1));
        Console.WriteLine("Decimal Value = {0}, whole number part = {1}",
                    d2,
                    Decimal.Truncate(d2));
        
        Console.WriteLine("Decimal Value = {0}, whole number part = {1}",
                    d3,
                    Decimal.Truncate(d3));
    }
}

Explanation

  • Lines 10 to 12: We create some decimal values.
  • Lines 16 to 26: We call the Truncate() method on the decimal values and print their results.

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