ExampleForm::SavePerson PHP Method

    protected function SavePerson($strFormId, $strControlId, $strParameter)
    {
        if ($strParameter == '1') {
            $objPerson = $this->objPerson1;
            $objPerson->FirstName = $this->txtFirstName1->Text;
            $objPerson->LastName = $this->txtLastName1->Text;
        } else {
            $objPerson = $this->objPerson2;
            $objPerson->FirstName = $this->txtFirstName2->Text;
            $objPerson->LastName = $this->txtLastName2->Text;
        }
        // Try and do the Save, Catch the Optimistic Lock Exception
        try {
            $objPerson->Save();
            // Reload the Person so that it's fresh
            if ($strParameter == '1') {
                $this->objPerson1 = PersonWithLock::Load(5);
            } else {
                $this->objPerson2 = PersonWithLock::Load(5);
            }
        } catch (QOptimisticLockingException $objExc) {
            // Lock Exception Thrown, Report the Error
            $this->lblMessage->Text = '<br/>Optimistic Locking Constraint -- the <b>PersonWithLock</b> you ' . 'are saving has "stale" data.<br/>' . 'If you want to save anyway, use "Force Update".';
        }
    }