private void buttonCustom21_Click(object sender, EventArgs e) { frm_TaoHoaDonBanHang f = new frm_TaoHoaDonBanHang(); f.Show(); }
private void barButtonItem6_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { frm_TaoHoaDonBanHang f = new frm_TaoHoaDonBanHang(); f.ShowDialog(); }