using System; using System.IO; class MainClass { public static void Main(string[] args) { try { FileStream fs = new FileStream("c:a.txt", FileMode.Open); StreamReader sr = new StreamReader(fs); string line = ""; int lineNo = 0; do { line = sr.ReadLine(); if (line != null) { Console.WriteLine("{0}: {1}", lineNo, line); lineNo++; } } while (line != null); } catch (Exception e) { Console.WriteLine("Exception in ShowFile: {0}", e); } } }