private void button1_Click(object sender, EventArgs e) { int x = dgvKhoHang.CurrentCell.RowIndex; { if (Them) { try { int r = dgvKhoHang.CurrentCell.RowIndex; string strLH = dgvKhoHang.Rows[r].Cells[0].Value.ToString(); NVKhoHang nvlh = new NVKhoHang(); nvlh.ThemKho1(strLH, BienToanCuc.ProName, BienToanCuc.NgapNhap, BienToanCuc.Thung, BienToanCuc.SP1Thung, BienToanCuc.Don, BienToanCuc.GiaDon, BienToanCuc.GiaTong, BienToanCuc.GiaSi, BienToanCuc.GiaLe, BienToanCuc.DVT, BienToanCuc.DVT2, BienToanCuc.TongNhap, ref err); Loaddata(); MessageBox.Show("Đã Thêm Xong"); } catch { MessageBox.Show("Không Thêm Được"); } } if (float.Parse(dgvKhoHang.Rows[x].Cells[3].Value.ToString()) == 0 || float.Parse(dgvKhoHang.Rows[x].Cells[3].Value.ToString()) < 0) { try { int r = dgvKhoHang.CurrentCell.RowIndex; string strLH = dgvKhoHang.Rows[r].Cells[0].Value.ToString(); NVKhoHang nvlh = new NVKhoHang(); nvlh.xoaSPKho(ref err, strLH); Loaddata(); MessageBox.Show("Đã Xóa Xong"); } catch { MessageBox.Show("Đã Xóa Xong"); } } else { try { } catch { MessageBox.Show("Không Thêm Được"); } } } }