C# program to read all lines from a file using StreamReader class

Program:

The source code to read all lines from the file using StreamReader class is given below. The given program is compiled and executed successfully on Microsoft Visual Studio.

//C# program to read all lines from a file 
//using StreamReader class.

using System;
using System.IO;
using System.Text;

class Demo
{
    static void Main()
    {
        Stream stream = new FileStream(@"D:\data.txt", FileMode.Open);
        string line;
        StreamReader reader;

        reader = new StreamReader(stream, Encoding.UTF8);
            
        while (true)
        {
            line = reader.ReadLine();
            if (line == null)
                break;
            Console.WriteLine(line);
        }
    }
}

Output:

This is a bag.
This is a bat.
This is a ball.
Press any key to continue . . .

Explanation:

Here, we created a class Demo that contains the Main() method. The Main() method is the entry point of the program, here we read all lines of the "D:\data.txt" file using ReadLine() method of StringReader class and then print on the console screen.