Thư Viện WinForm

 
private async Task NapDuLieuAsync()
{
    XuLyDaLuong.ThayDoiTextLabel(lblTrangThai, "Đang tải dữ liệu...", Color.Red);
    _db = new QLTTTNModel();
    _dbCheck = new QLTTTNModel();

    //Load
    await _db.tbNguoiYeu1.Where(p => p.IdCuocTinh == _idCuocTinh).LoadAsync();
    await _db.tbNguoiYeu2.LoadAsync();
    await _db.tbNguoiYeu3.LoadAsync();
    await _db.tbNguoiYeu4.LoadAsync();
}
private async void frm_Load(object sender, EventArgs e)
{
    await this.NapDuLieuAsync();
}

 
AppDomain.CurrentDomain.AppendPrivatePath(AppDomain.CurrentDomain.BaseDirectory + @"\Library");

if(MaNhapVao == MaOCung())
{
     ThongBao("Kích hoạt thành công!");
     //
}

if(MaNhapVao == MaHoa(MaOCung()))
{
     ThongBao("Kích hoạt thành công!");
     //
}

string duongDan = System.IO.Directory.GetCurrentDirectory() + "\\tentep.mdf;";
string chuoiKetNoi = @"Data Source=(LocalDB)\v11.0;AttachDbFilename=" + duongDan + "Integrated Security=True;Connect Timeout=30";
System.Data.SqlClient.SqlConnection conn = new System.Data.SqlClient.SqlConnection(chuoiKetNoi);

string duongDan = System.IO.Directory.GetCurrentDirectory() + "\\tentep.mdf;";
            string chuoiKetNoi = @"Data Source=(LocalDB)\v11.0;AttachDbFilename=" + duongDan + "Integrated Security=True;Connect Timeout=30";
            DataContext db = new DataContext(chuoiKetNoi);