Read file in C#

    using System;

    using System.IO;

    class FileRead

    {

        public void ReadData()

        {

            FileStream fs = new FileStream(@"C:\Test Folder\test.txt", FileMode.Open, FileAccess.Read);

            StreamReader sr = new StreamReader(fs);

            sr.BaseStream.Seek(0, SeekOrigin.Begin);

            string str = sr.ReadLine();

            while (str != null)

            {

                Console.WriteLine("{0}", str);

                str = sr.ReadLine();

            }

            sr.Close();

            fs.Close();

        }

        public static void Main(String[] args)

        {

            FileRead fr = new FileRead();

            fr.ReadData();

            Console.ReadLine();

        }

    }

OR

    using System;

    using System.IO;

    class FileRead

    {

        public void ReadData()

        {

            FileStream fs = new FileStream(@"C:\Test Folder\test.txt", FileMode.Open, FileAccess.Read);

            StreamReader sr = new StreamReader(fs);

            sr.BaseStream.Seek(0, SeekOrigin.Begin);

            string str = sr.ReadToEnd();

            Console.WriteLine("{0}", str);

            sr.Close();

            fs.Close();

        }

        public static void Main(String[] args)

        {

            FileRead fr = new FileRead();

            fr.ReadData();

 Console.ReadLine();

        }

    }