static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
//Application.Run(new frmMain());
login = new frmLogin();
main = new frmMain();
frmphieudat = new frmPhieuDat();
frmquanly = new frmQuanLy();
Application.Run(new frmLoading());
//Application.Run(new frmChuyenHang());
}
private async void btnQuanLy_Click(object sender, EventArgs e)
{
frmQuanLy f = new frmQuanLy();
ftk.Close();
ftk = new frmTimThongtin();
this.Hide();
f.ShowDialog();
this.Show();
ftk.Show();
Program.lstHang = await new HangBAL().LayLst();
bsHang.DataSource = Program.lstHang.Where(p => p.SoLuong <= 5);
}