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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.

File.WriteAllBytes()

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

Syntax:

void WriteAllBytes(string filename);

Parameter(s):

  1. filename - name of the file.

Program

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");
        }
    }
}

Output

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.






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