C# program to write text to a file

In this C# program, we are going to learn how to write text in a file? Here, we are using Method WriteAllText() of "File" class to write text in a file.
Submitted by IncludeHelp, on October 28, 2017

Given text, and we have to write it into a file using C# program.


This is a static method of "File" class, which is used to write all text (passed as an argument) in a file. Note: If the file does not exist at specified location, this method creates file first and then write all text to the file.


void File.WriteAllText(path, content);


  1. path - Filename with its location.
  2. content - Text to be written into file.


using System;

//We need to include this namespace for file handling.
using System.IO;

namespace ConsoleApplication1
    class Program
        static void Main()
            string s;

            Console.WriteLine("Enter text to Write into File : ");
            s = Console.ReadLine();

            Console.WriteLine("\nFile Creation Done");


Enter text to Write into File :
Hello , This is a sample program for writing text into file.

File Creation Done

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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