private void FormOrderView_Load(object sender, EventArgs e)
        {
            string sql = "select \"nomer\", \"data_order\" from \"Order\" where \"pk_order\" = " + orderId;

            Npgsql.NpgsqlDataReader reader = new Npgsql.NpgsqlCommand(sql, connection).ExecuteReader();
            reader.Read();
            num  = reader.GetString(0);
            date = reader.GetDateTime(1);
            reader.Close();
            label1.Text = "Приказ №" + num + " от " + date.ToString("dd-MM-yyyy");
            switch (orderType)
            {
            case "Приём":
                LoadHireOrder();
                break;

            case "Увольнение":
                LoadFireOrder();
                break;

            case "Перевод":
                LoadMoveOrder();
                break;
            }
        }