public void LoginButtonClick(object sender, EventArgs e)
        {
            string username = usernameField.Text;
            string password = passwordField.Text;
            bool   areCredentialsCorrect = Accounts.LoginSequence(username, password); // Check if credentials entered are ok

            if (areCredentialsCorrect == true)
            {
                Overview overview = new Overview(this);
                overview.Show();
                Hide();
            }
            else
            {
                string message = "No matching credentials in our database.";
                string title   = "Error";
                MessageBox.Show(message, title);
            }
        }
 public AddExpense(Overview ownerForm)
 {
     InitializeComponent();
     this.ownerForm = ownerForm;
 }