johns project

//CalculateCosts - This function calculates the costs of the smoothie.
        private void CalculateCosts()
        {

            //--------------------------------
            //--------------------------------
            //Declare variables
            //--------------------------------
            //--------------------------------

            //Declare my smoothie prices.   Column 0      1      2      3
            decimal[,] smoothieListDecimal = { { 5.99M, 6.99M, 7.99M, 8.99M },    // Row 0
                                               { 6.99M, 7.99M, 8.99M, 9.99M } };  // Row 1

            //Delcare the variable "extras" for the cost of extras.
            //I'm just gonna use one variable since all of the extras are the same price.
            const decimal extras = 0.75M;

            //Declare the variables for the discounts.
            const decimal preferred = 0.15M;
            const decimal coupon = 0.10M;
            decimal discount;

            //Declare the variable for quantity.
            int quantity;

            //Declare the count for the extras.
            int numberOfExtras = 0;

            //Declare the cost of the smoothie.
            decimal smoothieCost = 0.00M;
//--------------------------------
            //--------------------------------
            //Verify entries
            //--------------------------------
            //--------------------------------

            //Check to make sure the customer name is filled.
            if (customerTextBox.Text == "")
            {
                MessageBox.Show("Please enter the customer name");
            }

            //Check to make sure a size is selected.
            if (sizeComboBox.SelectedIndex == -1)
            {
                MessageBox.Show("Please select a smoothie size");
            }

            //Check to make sure a style is selected.
            if (styleComboBox.SelectedIndex == -1)
            {
                MessageBox.Show("Please select a smoothie style");
            }

            //Check the quantity entry.
            if (int.TryParse(quantityTextBox.Text, out quantity) && quantity > 0)
            {
                //Do nothing since I'm just confirming something is entered.
            }
            else
            {
                MessageBox.Show("Please enter a whole numeric quantity");
            }
//--------------------------------
            //--------------------------------
            //Gather Information
            //--------------------------------
            //--------------------------------

            //If Echinacea is checked, add 1 extra to the bill.
            if (echinaceaCheckBox.Checked == true)
            {
                numberOfExtras++;
            }

            //If Bee Pollen is checked, add 1 extra to the bill.
            if (beePollenCheckBox.Checked == true)
            {
                numberOfExtras++;
            }

            //If Energy Booster is checked, add 1 extra to the bill.
            if (energyBoosterCheckBox.Checked == true)
            {
                numberOfExtras++;
            }

            //If Preferred is checked, set the the discount to 15%.
            if (preferredRadioButton.Checked == true)
            {
                discount = preferred;
            }

            //If Coupon is checked, set the discount to 10%.
            if (couponRadioButton.Checked == true)
            {
                discount = coupon;
            }



        }