写文件

StreamWriter WriteFile = new StreamWriter(Server.MapPath(FileName+".htm"),false, Encoding.GetEncoding("GB2312"));

    // WriteFile=File.CreateText(,Encoding.GetEncoding("GB2312"));
    //把密码写入文件中
    // System.Text.UnicodeEncoding.UnicodeEncoding
    //WriteFile.c.Encoding=System.Text.Encoding.GetEncoding("GB2312");
    //   WriteFile.s
    WriteFile.WriteLine(TextBox1.Text.Trim().ToString());
    //关闭文件Response.ContentEncoding =
    WriteFile.Close();