ASDV-C-Sharp/MP4/JoesAutomotive_CalebFontenot/Form1.cs

using System.CodeDom;

namespace JoesAutomotive_CalebFontenot
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private decimal OilLubeChanges(decimal total)
        {
            // Check if the appropiate check boxes are checked, and if they are, add their sums to total.
            if (oilChangeCheckBox.Checked)
            {
                total += 26.00m;
            }
            if (lubeJobCheckBox.Checked)
            {
                total += 16.00m;
            }
            return total;
        }
        private decimal FlushCharges(decimal total)
        {
            // Check if the appropiate check boxes are checked, and if they are, add their sums to total.
            if (radiatorFlushCheckBox.Checked)
            {
                total += 30.00m;
            }
            if (transmissionFlushCheckBox.Checked)
            {
                total += 80.00m;
            }
            return total;
        }
        private decimal MiscCharges(decimal total)
        {
            // Check if the appropiate check boxes are checked, and if they are, add their sums to total.
            if (inspectionCheckBox.Checked)
            {
                total += 30.00m;
            }
            if (replaceMufflerCheckBox.Checked)
            {
                total += 80.00m;
            }
            if (tireRotationCheckBox.Checked)
            {
                total += 20.00m;
            }
            return total;
        }
        private decimal TotalCharges()
        {
            decimal total = 0m;
            total = OilLubeChanges(total);
            total = FlushCharges(total);
            total = MiscCharges(total);
            total += OtherCharges();
            return total;
        }
        private decimal TaxCharges()
        {
            decimal.TryParse(partsInputTextBox.Text, out decimal total);
            decimal tax = total * 0.06m;
            return tax;
        }
        private decimal OtherCharges()
        {
            decimal partsCost, laborCost;
            decimal.TryParse(partsInputTextBox.Text, out partsCost);
            decimal.TryParse(laborInputTextBox.Text, out laborCost);
            return partsCost + laborCost;
        }
        private void calculateButton_Click(object sender, EventArgs e)
        {
            decimal total = TotalCharges();
            decimal tax = TaxCharges();
            decimal outputOtherCharges = OtherCharges();

            // Set textboxes
            servicesAndLaborTextBox.Text = total.ToString("c");
            totalFeesTextBox.Text = (total + tax).ToString("c");
            taxTextBox.Text = tax.ToString("c");
            partsTextBox.Text = partsInputTextBox.Text;
        }

        private void exitButton_Click(object sender, EventArgs e)
        {
            Close();
        }

        private void clearButton_Click(object sender, EventArgs e)
        {
            // Clear EVERYTHING
            servicesAndLaborTextBox.Text = "";
            partsTextBox.Text = "";
            partsInputTextBox.Text = "";
            taxTextBox.Text = "";
            totalFeesTextBox.Text = "";
            laborInputTextBox.Text = "";
            // Now for the checkboxes.
            oilChangeCheckBox.Checked = false;
            lubeJobCheckBox.Checked = false;
            radiatorFlushCheckBox.Checked = false;
            transmissionFlushCheckBox.Checked = false;
            inspectionCheckBox.Checked = false;
            replaceMufflerCheckBox.Checked = false;
            tireRotationCheckBox.Checked = false;

        }
    }

}