#      
#  Overview
The **`Decimal.Compare()`** method is used to compare two decimal numbers to see if one is greater than the other or if they are equal. 

Suppose we have two decimal numbers, `d1` and `d2`. If we compare them with `Decimal.Compare(d1, d2)`, and `d1` is less than `d2`, the return value is `-1` (less than 0). The return value is 0 if `d1` and `d2` are equal. If `d1` is greater than `d2`, the return value is `1` (greater than 0). 

#      
#  Syntax
```c#
Decimal.Compare(d1,d2)
``` 

#      
## Parameters
* `d1`: The first of the decimal values we want to compare.

* `d2`: The second of the decimal values we want to compare.

##     
## Return value
The return value is an integer value from `-1`, `1`, or `0`.

##     
## Code example


// use System
using System;

// create class
class CompareDecimal
{
    // main method
    static void Main()
    {
      // create some 
      // decimal values
      decimal d1 = 2.3m;
      decimal d2 = 3.1m;
      decimal d3 = 20.5m;
      decimal d4 = 12.6m;
      decimal d5 = 1.5m;
      decimal d6 = 1.5m;

      // compare decimal values
      int a = Decimal.Compare(d1,d2);
      int b = Decimal.Compare(d3,d4);
      int c = Decimal.Compare(d5,d6);

      // print returned values
      System.Console.WriteLine(a);
      System.Console.WriteLine(b);
      System.Console.WriteLine(c);
    }
}

#      
## Explanation
In the code above: 

* In *lines 12-17*, we initialize six decimal variables.

* In *lines 20-22*, we use the `Decimal.Compare()` function to compare the decimal variables and assign the corresponding outputs to integer variables.

* In *line 25*, our return value is `-1` because `d1` is less than `d2`.

* In *line 26*, our return value is `1` because `d3` is greater than `d4`. 

* In *line 27*, our return value is `0` because `d5` and `d6` are equal.

How to compare two decimal values in C#

Overview

Syntax

Parameters

Return value

Code example

Explanation