private void tSMenuItemSalesStaff_Click(object sender, EventArgs e)
{
SalesStaffCtrl ctrl = new SalesStaffCtrl(_userInfo);
ChangeFormTo(ctrl);
}
private void SalesInfoQueryCtrl_ViewDetailsEvent(SalesInfo info)
{
SalesStaffCtrl ctrl = new SalesStaffCtrl(info);
ChangeFormTo(ctrl);
}