public void displayAdminUI()
{
if (adminUI == null)
{
adminUI = new AdminUI(this);
}
loginUI.Visible = false;
adminUI.Show();
}
//log out
private void tsmiLogout_Click(object sender, EventArgs e)
{
if (staffUI != null)
{
staffUI.Dispose();
staffUI = null;
}
else if (adminUI != null)
{
adminUI.Dispose();
adminUI = null;
}
loginUI.Visible = true;
loginUI.clearTextbox();
}