private void btnSuaSanPham_Click(object sender, EventArgs e) { if (dataGridViewQlSanPham.SelectedRows.Count > 0) { SanPham_DTO sp = (SanPham_DTO)dataGridViewQlSanPham.SelectedRows[0].DataBoundItem; sp.TenSP = txtTenSanPham.Text; sp.LoaiSP = txtLoaiSanPham.Text; sp.DonGia = decimal.Parse(txtDonGia.Text); sp.NgayTao = dateTimeNgayTapSP.Value; SanPham_BUS spBus = new SanPham_BUS(); spBus.SuaThongTinSanPham(sp); MessageBox.Show("Đã Sửa 1 Sản Phẩm "); LoadDSSP(); ResetSP(); } }