private void FormMoBanVeDatabase_Load(object sender, EventArgs e)
 {
     t.Start();
     List<HoChieu> danhSachHoChieu = BS_HoChieu.DanhSachHoChieu();
     int y = 0, i = 1;
     foreach(HoChieu value in danhSachHoChieu)
     {
         UserControl_BanVe controlBanVe = new UserControl_BanVe(value.TenHoChieu, BS_BanVe.BanVe(value.MaBanVe).NgayChinhSua, i);
         controlBanVe.Width = panelMain.Width;
         controlBanVe.Location = new Point(0, y);
         controlDanhSachBanVe.Add(controlBanVe);
         panelMain.Controls.Add(controlBanVe);
         y += 30; i++;
     }
     foreach (UserControl_BanVe value in controlDanhSachBanVe)
     {
         value.LinkLabelBanVe.Click += new System.EventHandler(controlDanhSachBanVe_Click);
     }
 }
 private void panelMain_SizeChanged(object sender, EventArgs e)
 {
     panelMain.Controls.Clear();
     List<BanVe> danhSachBanVe = BS_BanVe.DanhSachBanVe();
     int y = 0, i = 1;
     foreach (BanVe value in danhSachBanVe)
     {
         UserControl_BanVe controlBanVe = new UserControl_BanVe(value.TenBanVe, value.NgayChinhSua, i);
         controlBanVe.Width = panelMain.Width;
         controlBanVe.Location = new Point(0, y);
         controlDanhSachBanVe.Add(controlBanVe);
         panelMain.Controls.Add(controlBanVe);
         y += 30; i++;
     }
     foreach (UserControl_BanVe value in controlDanhSachBanVe)
     {
         value.LinkLabelBanVe.Click += new System.EventHandler(controlDanhSachBanVe_Click);
     }
 }