string s;sr = new StreamReader(fs, Encoding.GetEncoding("gb2312"));s = sr.ReadLine();s = sr.ReadLine();s = sr.ReadLine();sr.BaseStream.Seek(0, SeekOrigin.Begin);//重新读取第一行,这句不行s = sr.ReadLine();小弟初学C#,求如何重新开始读第一行,网上找了半天没找到