private void checkOut_btn_Click(object sender, EventArgs e) { int id = (int)show_dgv.CurrentRow.Cells[0].Value; int cID = customer.getByRoomID(id).id; show_dgv.DataSource = room.checkOutRoom(id); DataGridViewImageColumn imageColumn = new DataGridViewImageColumn(); imageColumn = (DataGridViewImageColumn)show_dgv.Columns["picture"]; imageColumn.ImageLayout = DataGridViewImageCellLayout.Stretch; surcharge_lb.Text = $"Surcharge: {room.surcharge(id)}"; total_lb.Text = $"Total: {room.getByID(id).price + room.surcharge(id)}"; if (customer.deleteCustomer(cID) && consume.deleteConsumeByRoomID(id)) { room.fullOrEmpty(id, "Empty"); MessageBox.Show("Check Out!!!", "", MessageBoxButtons.OK, MessageBoxIcon.Information); } else { MessageBox.Show("Check Out Failed", "", MessageBoxButtons.OK, MessageBoxIcon.Warning); } Income.sumPriceRoom((int)room.getByID(id).price); }