public void Insert(TinhDiem td) { StreamWriter sw = File.AppendText(filetxt); sw.WriteLine(); sw.Write(td.Mahs + "#" + td.Hocky + "#" + td.Diemtb); sw.Close(); }
public void themdiem(TinhDiem td) { if (td.Mahs != "" && td.Hocky != "") { tdDA.Insert(td); } else { throw new Exception("Du lieu sai"); } }