private void btnAdd_Click(object sender, EventArgs e)
        {
            WayToPay wayToPay = new WayToPay();

            if (isEdit == false)
            {
                var result = MessageBox.Show("¿Desea registrar forma de pago?", "Confirmación", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
                if (result == DialogResult.Yes)
                {
                    wayToPay.Description = textDescripcion.Text;
                    WorkWayToPay.addWayToPay(wayToPay);

                    loadWayToPays();

                    clear();
                }
            }

            if (isEdit == true)
            {
                var result = MessageBox.Show("¿Desea guardar los cambios?", "Confirmación", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
                if (result == DialogResult.Yes)
                {
                    wayToPay.Id          = Convert.ToInt32(idWayToPay);
                    wayToPay.Description = textDescripcion.Text;
                    WorkWayToPay.updateWayToPay(wayToPay);
                    loadWayToPays();
                    MessageBox.Show("Cambios actualizados correctamente", "Información", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    clear();

                    isEdit = false;
                }
            }
        }
 private void btnEliminar_Click(object sender, EventArgs e)
 {
     if (dataGridViewWayToPay.SelectedRows.Count > 0)
     {
         var result = MessageBox.Show("¿Desea eliminar forma de pago?", "Confirmación", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
         if (result == DialogResult.Yes)
         {
             idWayToPay = dataGridViewWayToPay.CurrentRow.Cells["Id"].Value.ToString();
             WorkWayToPay.deleteWayToPay(idWayToPay);
             MessageBox.Show("Se elimino correctamente", "Información", MessageBoxButtons.OK, MessageBoxIcon.Information);
             loadWayToPays();
         }
     }
     else
     {
         MessageBox.Show("Seleccione una fila!!!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
     }
 }
 private void loadWayToPays()
 {
     dataGridViewWayToPay.DataSource = WorkWayToPay.getAllWayToPays();
 }