写文本txt文件内容(wince C#)

/// <summary>
///
/// </summary>
/// <param name="sid">序号</param>
/// <param name="time1">开始时间</param>
/// <param name="timeend">结束时间</param>
/// <param name="num">次数</param>
public void Write(int sid,string time1,string timeend,int num)
{
try
{
StreamWriter s = new StreamWriter("\\Storage Card\\RFID[有源2.45g]读卡(一秒一次)\\lcb.txt", true, Encoding.GetEncoding("gb2312"));
s.Write("\r\n" + sid + "     " + time1 + "  " + timeend + "  " + num);
//s.Write("\r\n1  2012-12-8 9:14:17  2012-12-8 9:14:24  45");//把浏览的内容写入到richTextBox1中。
//"\r\n序号  开始时间  结束时间  次数")
s.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}