Mohanapriya R Mohanapriya R
Updated date Feb 15, 2024
In this article, we will discover how to convert bytes into hexadecimal in C# effortlessly.

Understanding Bytes and Hexadecimal:

Before diving into the conversion process, let's briefly understand what bytes and hexadecimal are. A byte is a unit of digital information that consists of 8 bits. Each bit can have a value of 0 or 1, allowing a byte to represent values ranging from 0 to 255. On the other hand, hexadecimal is a base-16 numbering system that uses sixteen distinct symbols, 0-9 followed by A-F, to represent values from 0 to 15.

Converting Bytes to Hexadecimal in C#:

To convert bytes to hexadecimal in C#, we can use the ToString method with the "X2" format specifier. This specifier ensures that each byte is represented by exactly two hexadecimal digits. Let's see how this is done with a simple C# program:

using System;

class Program
{
    static void Main(string[] args)
    {
        byte[] bytes = { 0x48, 0x65, 0x6C, 0x6C, 0x6F }; // ASCII values for "Hello"
        
        Console.WriteLine("Bytes in Hexadecimal:");
        foreach (byte b in bytes)
        {
            Console.Write(b.ToString("X2") + " ");
        }
    }
}

Output:

Bytes in Hexadecimal:
48 65 6C 6C 6F

In this program, we first define an array of bytes representing the ASCII values for the characters "Hello". Then, we iterate over each byte in the array and use the ToString method with the "X2" format specifier to convert each byte to its hexadecimal representation. Finally, we print out the hexadecimal values separated by spaces.

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