//navigates to newform from ExtraPrinciple form
        private void newToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //this.Hide();
            New_form NM = new New_form();

            NM.Show();
        }
        //navigates to new form from main
        private void newToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //it hides the previous window
            this.Hide();
            //creating an object for new form window
            New_form NM = new New_form();

            //displays the window
            NM.Show();
        }