using System;

using System.IO;

using System.Text;

​

public class Program

{

    public static string ReadFile(string filename)

    {

        try

        {

            StreamReader reader = new StreamReader(filename);

            StringBuilder textFile = new StringBuilder();

            while (reader.ReadLine() != null)

            {

                textFile.Append(reader.ReadLine() + " ");

            }

            reader.Close();

            string text = textFile.ToString();

            return text;

        }

        catch (IOException FileNotFound)

        {

            Console.WriteLine("File is not found!");

        }

    }

    public static void Main()

    {       

        string filename = "document.txt";

        Console.WriteLine(ReadFile(filename));

    }

}

​

/*      Write a method that takes as a parameter the name of a text file, reads the  file  and  returns its

            content  as string.  What  should  the  method do if and exception is thrown?*/