---
title: "Enumerations in c#"
description: "This blog explains how enumerations works in c#. Definition:Enum is a keyword that represent a value type for declaring a set of named constant. An e"
author: "priyanka kushwaha"
published: 2015-03-03
updated: 2018-02-22
canonical: https://www.mindstick.com/blog/822/enumerations-in-c-sharp
category: ".net"
tags: ["c#", "asp.net"]
reading_time: 2 minutes
---
# Enumerations in c#
This blog explains how enumerations works in c#.\
##### Definition:
Enum is a [keyword](https://www.mindstick.com/forum/33572/sql-inner-join-keyword) that represent a value type for declaring a set of named constant.
An enum helps to [define](https://yourviews.mindstick.com/audio/1110/lifestyles-choices-that-define-our-lives) a series of related integral [constants](https://www.mindstick.com/articles/1813/objective-c-constants) that represent special [values](https://www.mindstick.com/forum/327/sum-textbox-values) within a [module](https://www.mindstick.com/blog/11796/prestashop-one-page-checkout-module-make-checkout-faster) of code. An enum can be used in a [switch statement](https://www.mindstick.com/articles/720/php-switch-statement), which is used as a [decision](https://answers.mindstick.com/qa/116223/apple-s-upgrade-decision-hundreds-of-millions-of-iphones-affected)-making statement for comparing numeric values.
##### Example:
##### 1. Create a Default.aspx
```
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="EnumExample.Default" %>
```
**2. Write in [Default](https://www.mindstick.com/interview/12771/what-is-the-importance-of-default-resources).aspx.cs**
```
using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;using System.Collections;namespace EnumExample{ public partial class Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } enum Operation { Add = '+', Mul = '*', Sub = '-', Div = '/' } protected void btnAdd_Click(object sender, EventArgs e) { Button btn = (Button)sender; //Convert button text to enum Operation type = (Operation)char.Parse(btn.Text); switch(type) { case Operation.Add: txtResult.Text=Convert.ToString(Convert.ToDouble(txtboxfirst.Text) + Convert.ToDouble(txtboxsencond.Text)); break; case Operation.Div: txtResult.Text = Convert.ToString(Convert.ToDouble(txtboxfirst.Text) / Convert.ToDouble(txtboxsencond.Text)); break; case Operation.Mul: txtResult.Text = Convert.ToString(Convert.ToDouble(txtboxfirst.Text) * Convert.ToDouble(txtboxsencond.Text)); break; case Operation.Sub: txtResult.Text = Convert.ToString(Convert.ToDouble(txtboxfirst.Text) - Convert.ToDouble(txtboxsencond.Text)); break; } } }}
```
**[Output](https://www.mindstick.com/forum/161319/how-does-the-print-function-handle-output-in-python):**
**\**
**Advantage:**
1. In future, you can easily change values.
2. Your code can be read easier.
---
Original Source: https://www.mindstick.com/blog/822/enumerations-in-c-sharp
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