private void editToolStripMenuItem1_Click(object sender, EventArgs e)
        {
            if (!edit)
            {
                return;
            }
            var st = new PrintingDataSet.OrdersDataTable();

            ordersTableAdapter.FillBy(st,
                                      Convert.ToInt32(dataGridViewOrders.SelectedRows[0].Cells[0].Value));
            object[] row = st.Rows[0].ItemArray;
            var      edt = new OrdersEdit(
                Convert.ToInt32(row[0]),
                Convert.ToInt32(row[1]),
                Convert.ToInt32(row[2]),
                Convert.ToDateTime(row[3]),
                Convert.ToBoolean(row[4])
                );

            edt.ShowDialog();
            dataGridViewOrders.DataSource = ordersBindingSource;
            Ziro();
            ordersTableAdapter.Fill(printingDataSet.Orders);
            printingDataSet.AcceptChanges();
        }
        private void addToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (!edit)
            {
                return;
            }
            var edt = new OrdersEdit();

            edt.ShowDialog();
            dataGridViewOrders.DataSource = ordersBindingSource;
            Ziro();
            ordersTableAdapter.Fill(printingDataSet.Orders);
            printingDataSet.AcceptChanges();
        }