public function addRessource($sender, $param)
 {
     //auf welche dimension sollen die werte zugeordnet werden
     $rIndecies = $this->ttidtm_ressource->SelectedIndices;
     foreach ($rIndecies as $index) {
         $myRecord = new AufgabeRessourceRecord();
         $myRecord->idtm_aufgabe = $this->Tedidtm_aufgaben->Text;
         $myRecord->idtm_ressource = $this->ttidtm_ressource->Items[$index]->Value;
         $myRecord->auf_res_dauer = $this->ttauf_res_dauer->Text;
         $myRecord->save();
     }
     $this->bindListRessource();
 }
 public function addRessource()
 {
     if ($this->ttidtm_aufgabe_ressource->Text > 0) {
         $myRecord = AufgabeRessourceRecord::finder()->findByPK($this->ttidtm_aufgabe_ressource->Text);
     } else {
         $myRecord = new AufgabeRessourceRecord();
     }
     $myRecord->idtm_aufgabe = $this->Aedidtm_aufgaben->Text;
     $myRecord->idtm_ressource = $this->ttidtm_ressource->Text;
     $myRecord->auf_res_dauer = $this->ttauf_res_dauer->Text;
     $myRecord->save();
     $this->RessourcebindList();
 }