namespace lab5_7_CalebFontenot { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void calculateButton_Click(object sender, EventArgs e) { try { // Variables decimal sales; decimal total = 0m; // Declare a StreamReader variable. StreamReader inputFile; // Open the file and get a StreamReader object. inputFile = File.OpenText("Sales.txt"); // Read the file's contents. while (!inputFile.EndOfStream) { // Get a sales amount. sales = decimal.Parse(inputFile.ReadLine()); // Add the sales amount to total. total += sales; } // Close the file. inputFile.Close(); // Display the total. totalLabel.Text = total.ToString("C"); } catch (Exception ex) { Console.WriteLine(ex.Message); } } private void exitButton_Click(object sender, EventArgs e) { this.Close(); } } }