private void toolStripButton6_Click(object sender, EventArgs e)
{
update_reader_frm frm = update_reader_frm.getInstance();
set_child_frm(frm, panel1);
frm.read_reader_from_database();
frm.BringToFront();
}
public static update_reader_frm getInstance()
{
if (uniqueInstance == null)
{
uniqueInstance = new update_reader_frm();
}
return(uniqueInstance);
}