private void HoaDon_Load(object sender, EventArgs e)
{
txtNgayLap.Text = nowaday;
txtMaKH.DataSource = busk.TaoBang("");
txtMaKH.ValueMember = "MaKH";
txtMaKH.DisplayMember = "MaKH";
colMaMH.DataSource = buscthd.LayTTHANG("Where SoLuong > 0");
colMaMH.ValueMember = "MaMH";
colMaMH.DisplayMember = "TenMH";
txtMaNV.Text = "NV01";
KhoaDieuKien();
}
void HienThi(string where)
{
dskh.DataSource = bus.TaoBang(where);
}
