public function GetValue(Renderer $renderer)
{
$result = '';
$primaryKeyValues = array();
ExtractPrimaryKeyValues($primaryKeyValues, METHOD_GET);
$this->dataset->SetSingleRecordState($primaryKeyValues);
$this->dataset->Open();
if ($this->dataset->Next()) {
if ($this->column == null) {
} else {
$result = $renderer->Render($this->column);
}
}
$this->dataset->Close();
return $result;
}
