Auto-implemented properties in C Sharp (C#)

Introduction

Auto-implemented properties let you quickly create properties without writing extra code for storing values. They make your code shorter and easier to read.

When you want to store simple data in a class without extra logic.

When you need a property to get and set values quickly.

When you want to keep your class code clean and simple.

When you don't need to customize how the property works.

Syntax

C Sharp (C#)

public type PropertyName { get; set; }

The compiler creates a hidden variable to hold the value.

You can make properties read-only by using only get; without set;.

Examples

A simple property to store a name as text.

C Sharp (C#)

public string Name { get; set; }

A property where other classes can read the age but only this class can change it.

C Sharp (C#)

public int Age { get; private set; }

A read-only property with a default value set to true.

C Sharp (C#)

public bool IsActive { get; } = true;

Sample Program

This program creates a Person object with auto-implemented properties Name and Age. It sets values and prints them.

C Sharp (C#)

using System;

class Person
{
    public string Name { get; set; }
    public int Age { get; set; }
}

class Program
{
    static void Main()
    {
        Person p = new Person();
        p.Name = "Alice";
        p.Age = 30;
        Console.WriteLine($"Name: {p.Name}");
        Console.WriteLine($"Age: {p.Age}");
    }
}

Important Notes

Auto-implemented properties simplify code but you cannot add extra logic directly inside them.

If you need to run code when getting or setting, use full property syntax instead.

Summary

Auto-implemented properties save time by creating hidden storage automatically.

They are great for simple data without extra rules.

You can control access by changing get and set visibility.