public DoiTra(DoiTra doi)
{
this.madoitra = doi.madoitra;
this.tendt = doi.tendt;
this.tendt = doi.tendt;
this.ngaydoi = doi.ngaydoi;
}
public void nhap()
{
DoiTra dt = new DoiTra();
dt.nhap();
them(dt);
Console.ReadKey();
}
public void writefile(string filename, DoiTra dt)
{
StreamWriter sw = new StreamWriter(filename, true);
sw.WriteLine(dt.tostring());
sw.Close();
}
public void them(DoiTra dt)
{
Console.InputEncoding = UnicodeEncoding.Unicode;
Console.OutputEncoding = UnicodeEncoding.Unicode;
ReadFile("doitra.txt");
if (TimKiemTheoMa(dt.Madoitra.Trim()) != null)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("thêm thất bại, mã đổi trả đã tồn tại");
}
else
{
doitra.Add(dt);
writefile("doitra.txt", dt);
}
}
public void ReadFile(string filename)
{
doitra = new List <DoiTra>();
StreamReader sr = new StreamReader(filename);
String tmp;
DoiTra dt;
while (sr.EndOfStream == false)
{
tmp = sr.ReadLine().Trim();
if (tmp == "")
{
continue;
}
dt = new DoiTra(tmp);
doitra.Add(dt);
}
sr.Close();
}
