private void toolBaja_Click(object sender, EventArgs e) { DialogResult respuesta = MessageBox.Show("¿Quiere eliminar el concepto?", "Confirmación", MessageBoxButtons.YesNo); if (respuesta == DialogResult.Yes) { string cdn = ConfigurationManager.ConnectionStrings["cdnNomina"].ConnectionString; int fila = dgvConceptos.CurrentCell.RowIndex; int id = int.Parse(dgvConceptos.Rows[fila].Cells[0].Value.ToString()); cnx = new SqlConnection(cdn); cmd = new SqlCommand(); cmd.Connection = cnx; ch = new Conceptos.Core.ConceptosHelper(); ch.Command = cmd; Conceptos.Core.Conceptos concepto = new Conceptos.Core.Conceptos(); concepto.id = id; try { cnx.Open(); ch.eliminarConcepto(concepto); cnx.Close(); cnx.Dispose(); ListaConceptos(); } catch (Exception error) { MessageBox.Show("Error: \r\n \r\n " + error.Message, "Error"); } } }