读取文本文件代码片段

  using System;   using System.IO;   public class TestReadFile   {       public static void Main(String[] args)       {           // Read text file C:\temp\test.txt           FileStream fs = new FileStream(@c:\temp\test.txt , FileMode.Open, FileAccess.Read);           StreamReader sr = new StreamReader(fs);                      String line=sr.ReadLine();          while (line!=null)          {              Console.WriteLine(line);              line=sr.ReadLine();          }                      sr.Close();          fs.Close();      }   }     

using System;   using System.IO;   public class TestWriteFile   {       public static void Main(String[] args)       {           // Create a text file C:\temp\test.txt           FileStream fs = new FileStream(@c:\temp\test.txt , FileMode.OpenOrCreate, FileAccess.Write);           StreamWriter sw = new StreamWriter(fs);           // Write to the file using StreamWriter class           sw.BaseStream.Seek(0, SeekOrigin.End);           sw.WriteLine( First Line );           sw.WriteLine( Second Line);           sw.Flush();       }   }