C C++ Java Data Structure Python JavaScript CSS Ajax PL/SQL PHP Puzzles C programs C++ programs Java programs

Home » C# programs » C# file handling programs

C# program to write byte buffer into a file

In this C# program, we are going to learn how to write byte buffer in a text file? To write byte buffer, we are using WriteAllBytes() method of File class.
Submitted by IncludeHelp, on November 08, 2017

Given byte buffer and we have to write all bytes in a file using C# program.


This is a method of "File class, it writes all bytes (byte buffer) in a file.


void WriteAllBytes(string filename);


  1. filename - name of the file.


using System;
using System.IO;

namespace ConsoleApplication1
    class Program
        static void Main()
            byte[] byteBuff = { 1,2,3,4,5 };

            File.WriteAllBytes("Sample.txt", byteBuff);

            Console.WriteLine("Data Written Successfully");


Data written successfully

Note: In above program, we need to remember, when we use "File" class, System.IO namespace must be included in the program.

You may also be interested in...

C/C++ Tips and Tricks...

Was this page helpful? YES NO

Are you a blogger? Join our Blogging forum.

Comments and Discussions