private void btnBookAdd_Add_Click(object sender, EventArgs e) { Sach_DTO sachDTO = new Sach_DTO(); sachDTO.MaSach = lblBook_ID.Text; sachDTO.TenSach = txtBookAdd_TitleOfBook.Text; sachDTO.MaDauSach = lblBook_SeriesOfBook.Text; sachDTO.TenTacGia = txtBookAdd_Author.Text; sachDTO.TenNhaXuatBan = txtBookAdd_Publisher.Text; sachDTO.SoLuong = int.Parse(numBookAdd_NumberOfBooks.Value.ToString()); sachDTO.NamXuatBan = int.Parse(txtBookAdd_PublicDate.Text); sachDTO.DonGia = decimal.Parse(txtBookAdd_Prices.Text); sachDTO.TrangThai = true; DauSach_DTO dauSachDTO = new DauSach_DTO(); dauSachDTO.MaDauSach = lblBook_SeriesOfBook.Text; dauSachDTO.TenDauSach = txtBookAdd_TitleOfBook.Text; dauSachDTO.MaTheLoai = comBook_Category.SelectedValue.ToString(); dauSachDTO.TrangThai = true; CTNhapSach_DTO cTNhapSach_DTO = new CTNhapSach_DTO(); cTNhapSach_DTO.MaNhap = nhapSach_BUS.PhatSinhMaNhapSach(); cTNhapSach_DTO.MaSach = lblBook_ID.Text; cTNhapSach_DTO.SoLuong = int.Parse(numBookAdd_NumberOfBooks.Value.ToString()); cTNhapSach_DTO.DonGia = double.Parse(txtBookAdd_Prices.Text); cTNhapSach_DTO.TrangThai = true; NhapSach_DTO nhapSach_DTO = new NhapSach_DTO(); nhapSach_DTO.MaNhap = nhapSach_BUS.PhatSinhMaNhapSach(); nhapSach_DTO.MaNV = DoAn.frmLOGIN.MaNV; nhapSach_DTO.NgayNhap = DateTime.Now; nhapSach_DTO.ThanhTien = int.Parse(numBookAdd_NumberOfBooks.Value.ToString()) * double.Parse(txtBookAdd_Prices.Text); nhapSach_DTO.TrangThai = true; if (dauSach_BUS.ThemDauSach(dauSachDTO) == true) { if (sach_BUS.ThemSachMotDongSach(sachDTO) == true) { if (nhapSach_BUS.ThemNhapSach(nhapSach_DTO) == true) { if (cTNhapSach_BUS.ThemCTNhapSach(cTNhapSach_DTO) == true) { frmSuccess frmSuccess = new frmSuccess(1); frmSuccess.ShowDialog(); this.Hide(); } } } else { frmFailed frmFailed = new frmFailed(1); frmFailed.ShowDialog(); } } }