private void entryButton_Click(object sender, EventArgs e)
        {
            LibraryManagementUI uI = new LibraryManagementUI();

            uI.ShowDialog();
        }
 private void entryButton_Click_1(object sender, EventArgs e)
 {
     LibraryManagementUI uI = new LibraryManagementUI();
     uI.ShowDialog();
 }