private void Add_Click(object sender, EventArgs e)
        {
            if (IdTB.Text == "" || NameTb.Text == "" || AddressTb.Text == "" || PhoneTb.Text == "" || RegNoTb.Text == "" || MerkTb.Text == "" || ModelTb.Text == "" || PriceTb.Text == "" || DaysTb.Text == "" || RentFeeTb.Text == "")
            {
                MessageBox.Show("Informasi belum lengkap");
            }
            else
            {
                try
                {
                    Con.Open();
                    String     query = "insert into camRentalTbl values('" + IdTB.Text + "','" + IdTypeCb.SelectedItem.ToString() + "', '" + NameTb.Text + "', '" + AddressTb.Text + "', '" + PhoneTb.Text + "', " + RegNoTb.Text + ", '" + MerkTb.Text + "','" + ModelTb.Text + "','" + PriceTb.Text + "', '" + DaysTb.Text + "', '" + RentFeeTb.Text + "')";
                    SqlCommand cmd   = new SqlCommand(query, Con);
                    cmd.ExecuteNonQuery();
                    MessageBox.Show("Informasi sukses ditambahkan");
                    Con.Close();
                    populate();
                }
                catch (Exception Myex)
                {
                    MessageBox.Show(Myex.Message);
                }
            }
            uCustomer iCustomer = new uCustomer();
            Rental    iRental   = new Rental();
            uRent     iRent     = new uRent();

            iRental.thePrice = Double.Parse(PriceTb.Text);
            iRent.theDays    = int.Parse(DaysTb.Text);

            String q = String.Format("Rp{0}", iRental.thePrice * iRent.theDays);

            RentFeeTb.Text = q;
        }
        private void BtnCustomer_Click(object sender, EventArgs e)
        {
            uCustomer customer = new uCustomer();

            AddControlsToPanel(customer);
        }