private void Frm_CTHD_Load(object sender, EventArgs e) { CenterToScreen(); lb_MaHD.Text = mahd; lb_Tongtien.Text = tongtien; VeCTHD(busHD.LayCTHD(busHD.LayMaCTHD(lb_MaHD.Text))); if (int.Parse(trangthai) == 1) { edit = true; } if (edit) { btn_Baobep.Enabled = true; } }