private void btnChon_Click(object sender, EventArgs e) { if (dgvData.CurrentRow != null) { string _formText = this.Text; if (_formText.Contains("HÀNG HÓA")) { if (_FSellParrent == null) { _FBuyParrent.UpdateCbbHangHoa(Convert.ToInt32(dgvData.CurrentRow.Cells["ma"].Value)); } else { _FSellParrent.UpdateCbbHangHoa(Convert.ToInt32(dgvData.CurrentRow.Cells["ma"].Value)); } } else if (_formText.Contains("KHÁCH HÀNG")) { _FSellParrent.UpdateCbbKhachHang(Convert.ToInt32(dgvData.CurrentRow.Cells["ma"].Value)); } else if (_formText.Contains("NHÀ CUNG CẤP")) { _FBuyParrent.UpdateCbbNhaCungCap(Convert.ToInt32(dgvData.CurrentRow.Cells["ma"].Value)); } this.Close(); } else { MessageBox.Show("Chưa chọn" + this.Text.Substring(3)); } }