C#读取文件内容

    StreamReader objReader = new StreamReader("c:\\test.txt");
    string sLine="";
    ArrayList arrText = new ArrayList();
    while (sLine != null)
    {
     sLine = objReader.ReadLine();
     if (sLine != null)
      arrText.Add(sLine);
    }
    objReader.Close();
    foreach (string sOutput in arrText)
     Console.WriteLine(sOutput);
    Console.ReadLine();