private void BtnNewDelivery_Click(object sender, EventArgs e)
{
FrmDeliverySlip f = new FrmDeliverySlip(0);
f.ShowDialog();
this.Fill();
}
private void GrdList_RowHeaderMouseDoubleClick(object sender, DataGridViewCellMouseEventArgs e)
{
FrmDeliverySlip f = new FrmDeliverySlip(Convert.ToInt32(this.GrdList.Rows[e.RowIndex].Cells["deliveryId"].Value));
f.ShowDialog();
this.Fill();
}