private void buttonEdit_Click(object sender, EventArgs e)
{
int selectedIndex = dataGridView1.CurrentCell.RowIndex;
int Id = (int)dataGridView1.Rows[selectedIndex].Cells[0].Value;
ShipmentEditForm f = new ShipmentEditForm(getInstance(), Id);
f.ShowDialog();
}
private void buttonCreate_Click(object sender, EventArgs e)
{
ShipmentEditForm f = new ShipmentEditForm(getInstance());
f.ShowDialog();
}