private void button8_Click(object sender, EventArgs e)
        {
            sidePanel.Height = button8.Height;
            sidePanel.Top    = button8.Top;
            if (f1 == null || f1.IsDisposed)
            {
                f1 = new AddSession();
            }
            f1.Show();
            this.Hide();


            if (panel2.Height == 140)
            {
            }
            else
            {
                panel2.Height = 140;
            }
        }
 public AddLectures(AddSession f)
 {
     InitializeComponent();
     this.f1 = f;
 }
 public DashBoard(AddSession f)
 {
     InitializeComponent();
     this.f1 = f;
 }