private void btnLuu_Click(object sender, EventArgs e)
{
try
{
//enty_sach.MaSach = int.Parse(txtMasach.Text);
enty_sach.TenSach = txtTensach.Text;
enty_sach.GiaBan = int.Parse(txtGiaban.Text);
enty_sach.MaCD = int.Parse(cboMaCD.SelectedValue.ToString());
enty_sach.MaNXB = int.Parse(cboNhaNXB.SelectedValue.ToString());
enty_sach.SoLuong = int.Parse(txtSoluong.Text);
enty_sach.NgayNhap = Convert.ToDateTime(txtNgaynhap.Text);
enty_sach.MoTa = txtMota.Text;
Sach_DAO.Them(enty_sach);
dgvDausach.DataSource = Sach_DAO.LoadDuLieu();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}