private void gridViewChiTiet_DoubleClick(object sender, EventArgs e) { var chitiet = gridViewChiTiet.GetRow(gridViewChiTiet.FocusedRowHandle) as ChiTietDonHang; if (chitiet != null) { var hangHoa = CRUD.DbContext.KhoHangs.Find(chitiet.HangHoaId); FormBehavior.GeneratePopupForm(new UcChiTietHangHoa(hangHoa.TenHang, chitiet, UpdateTongTien), "Chi Tiết IMEI", this.ParentForm); } }