private void loadCboHD() { cboMaHD.DataSource = hd_bll.LoadHoaDon_BLL(); cboMaHD.DisplayMember = "MAHD"; cboMaHD.ValueMember = "MAHD"; cboMaHD.SelectedIndex = -1; }
// hóa đơn private void loadDataHD() { gcHoaDon.DataSource = hd_bll.LoadHoaDon_BLL(); }