public bool ThemNhapSach(Sach sach) { sach.MaSach = objSach.GetMaSach(sach.TenSach, sach.TenTacGia).Rows[0]["masach"].ToString(); string ngaynhap = DateTime.Today.Month.ToString() + "/" + DateTime.Today.Day.ToString() + "/" + DateTime.Today.Year.ToString(); if (objSach.KiemTraNhapSach(ngaynhap, sach.MaSach) == true) { return(objSach.InsertNhapSach(sach)); } else { return(objSach.CapNhatNhapSach(sach)); } }
// kiem tra so luong ton int KiemTraSLTon() { Sach sach = new Sach("", txtSach.Text, txtTacgia.Text, txtTheloai.Text, int.Parse(txtGia.Text), int.Parse(txtSl.Text)); SachDAO objSach = new SachDAO(); if (objSach.KiemTraSach(sach) == false) { string masach = objSach.GetMaSach(txtSach.Text, txtTacgia.Text).Rows[0]["masach"].ToString(); int soluongton = int.Parse(objSach.GetSach(masach).Rows[0]["soluong"].ToString()); if (soluongton > ThietLap.SLTonMin) { MessageBox.Show("số lượng tồn quá " + ThietLap.SLTonMin.ToString()); return(0); } } return(1); }