private void label5_Click(object sender, EventArgs e)
        {
            BookReports bookRe = new BookReports();

            bookRe.MdiParent = MdiParent;
            bookRe.Show();
        }
        private void bookReportsToolStripMenuItem_Click(object sender, EventArgs e)
        {
            BookReports bookRe = new BookReports();

            bookRe.MdiParent     = this;
            bookRe.StartPosition = FormStartPosition.WindowsDefaultLocation;
            bookRe.Show();
        }