public function lstRequiredWithChoice_Change()
{
// Erase any old entries
foreach ($this->objSignupEntry->GetSignupProductArray() as $objSignupProduct) {
if ($objSignupProduct->FormProduct->FormProductTypeId == FormProductType::RequiredWithChoice && $objSignupProduct->FormProductId != $this->lstRequiredWithChoice->SelectedValue) {
$objSignupProduct->Delete();
}
}
// Create the new entry
$objFormProduct = FormProduct::Load($this->lstRequiredWithChoice->SelectedValue);
if ($objFormProduct) {
$this->objSignupEntry->AddProduct($objFormProduct);
}
$this->RefreshForm();
}