/// <summary>
        /// Class constructor. Initializes component, layout and information
        /// </summary>
        public InstructorOverviewTab()
        {
            InitializeComponent();
            welcomeUserLabel.Text = "Welcome " + Session.LoggedInUser.Firstname;
            selectedMonth         = DateTime.Now;

            overviewUpdateTodaysNote.Hide();
            if (Session.LoggedInUser.Sysmin)
            {
                overviewUpdateTodaysNote.Show();
            }
            todaysNoteTextbox.Text = DatabaseParser.GetLatestTodaysNote();
            activeUsersLabel.Text  = "Active Users: " + DatabaseParser.GetActiveUserCount();
            DrawCalendar();
            UpdateInfo();
        }