private void ShipmentUpdateToolStripMenuItem_Click(object sender, EventArgs e)
{
CrUpdDelScr = new CreateUpdateDeleteScreen(Regimes.Update, Tables.Shipment);
CrUpdDelScr.ShowDialog();
}
private void PurchaseHistoryCreateToolStripMenuItem_Click(object sender, EventArgs e)
{
CrUpdDelScr = new CreateUpdateDeleteScreen(Regimes.Create, Tables.PurchaseHistory);
CrUpdDelScr.ShowDialog();
}