namespace Total_Sales_BBrantley
{
public partial class Form1 : Form
{
    public Form1()
    {
        InitializeComponent();
    }

    private void btnCalc_Click(object sender, EventArgs e)
    {
        try
        {
            // Declare variable to hold the amount of sales

            // Declare a constant for the array size
            const int SIZE = 100;
            // Create an array for the sales
            double[] allSales = new double[SIZE];
            // Declare a variable for holding the total value of sales
            double total = 0.0;
            // Declare a variable to hold the average
            double average;
            // Declare a variable to hold the highest value
            double highest = double.MinValue;
            // Declare a variable to hold the lowest value
            double lowest = double.MaxValue;

            int count = 0;

            // Declare a StreamReader variable.
            StreamReader readFile;

            // Open the file and get a StreamReader object using a relative path
            readFile = File.OpenText("Sales.txt");

            while (!readFile.EndOfStream && count < allSales.Length)
            {
             ERROR ERROR ERROR: [[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[   allSales[count] = int.Parse(readFile.ReadLine()); ]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]
                // Increment count
                count++;


        }

            // Close the file
            readFile.Close();

            lstSales.Items.Add("The file contains " + count + " items:");
            for (int index = 0; index < count; index++)
            {
                lstSales.Items.Add(allSales[index]);

            }



            // Display the total
            double sum = allSales.Sum();
            lblTotal.Text = sum.ToString();

            total += sum;
            average = total / allSales.Length;
            lblAverage.Text = average.ToString();

            for (int index = 1; index < allSales.Length; index++)
            {
                if (allSales[index] > highest)
                {
                    highest = allSales[index];
                }
                lblHighest.Text = highest.ToString();

            }
            for (int index = 1; index < allSales.Length; index++)
            {
                if (allSales[index] < lowest)
                {
                    lowest = allSales[index];
                }
                lblLowest.Text = lowest.ToString();
            }
        }
        catch (Exception ex)
        {
            // Display an error message on bad input from file
            MessageBox.Show(string.Concat("Error calculating the sales. ", ex.Message,     "rn", ex.StackTrace));
        }

    }

    private void btnExit_Click(object sender, EventArgs e)
    {
        //Closes the application
        this.Close();
    }
}

allSales[count] = int.Parse(readFile.ReadLine());

allSales[count] = Double.Parse(readFile.ReadLine());