private void toolStripButton8_Click(object sender, EventArgs e) { return_handle_frm frm = return_handle_frm.getInstance(); set_child_frm(frm, panel1); frm.read_borrow_from_database(); frm.BringToFront(); }
public static return_handle_frm getInstance() { if (uniqueInstance == null) { uniqueInstance = new return_handle_frm(); } return(uniqueInstance); }