public function initPullDowns()
 {
     $this->from_idta_stammdaten_group->DataSource = PFH::build_SQLPullDown(StammdatenGroupRecord::finder(), "ta_stammdaten_group", array("idta_stammdaten_group", "stammdaten_group_name"));
     $this->from_idta_stammdaten_group->dataBind();
     $this->to_idta_stammdaten_group->DataSource = PFH::build_SQLPullDown(StammdatenGroupRecord::finder(), "ta_stammdaten_group", array("idta_stammdaten_group", "stammdaten_group_name"));
     $this->to_idta_stammdaten_group->dataBind();
     $this->from_idta_feldfunktion->DataSource = PFH::build_SQLPullDown(FeldfunktionRecord::finder(), "ta_feldfunktion", array("idta_feldfunktion", "ff_name"));
     $this->from_idta_feldfunktion->dataBind();
     $this->to_idta_feldfunktion->DataSource = PFH::build_SQLPullDown(FeldfunktionRecord::finder(), "ta_feldfunktion", array("idta_feldfunktion", "ff_name"));
     $this->to_idta_feldfunktion->dataBind();
     $PeriodPullDown = new PFPeriodPullDown();
     $PeriodPullDown->setStructureTable("ta_perioden");
     $PeriodPullDown->setRecordClass(PeriodenRecord::finder());
     $PeriodPullDown->setPKField("idta_perioden");
     $PeriodPullDown->setSQLCondition("per_intern > 9999");
     $PeriodPullDown->setField("per_extern");
     $PeriodPullDown->letsrun();
     $this->DWH_idta_perioden->DataSource = $PeriodPullDown->myTree;
     $this->DWH_idta_perioden->dataBind();
     $this->DWH_idta_variante->DataSource = PFH::build_SQLPullDown(VarianteRecord::finder(), "ta_variante", array("idta_variante", "var_descr"));
     $this->DWH_idta_variante->dataBind();
 }