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C# program to write text to a 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();

            File.WriteAllText("ABC.TXT",s);
            Console.WriteLine("\nFile Creation Done");
        }
    }
}

Output

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

File Creation Done