public Form1() // constructor
        {
            InitializeComponent();

            ds            = new classroomDataSet();
            daStudents    = new viewStudentsTableAdapter();
            daEnrollments = new EnrollmentsTableAdapter();
        }
        BindingSource bs;    /// <summary>
        /// connects the database to the form
        /// </summary>


        public Form2(classroomDataSet d, BindingSource b)
        {
            InitializeComponent();
            ds = d;
            bs = b;
        }