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Form Questions

Form creation works only if I do it against all examples




17 May 2010 at 8:21am (Last edited: 17 May 2010 11:40pm), Community Member, 18 Posts


I am using version 2.4 with nested urls.

I tried to write a form for my page:

class TippToppMatchPage extends Page{

class TippToppMatchPage_Controller extends Page_Controller{

// Necessary to do in 2.4:
static $allowed_actions = array(
'match' => true,
'tipp' => true,
'TippForm' => true,
'doTippForm' => true

public function TippForm(){
if(($URLAction = Director::URLParam('Action')) && ($URLAction == 'tipp') && ($URLID = Director::URLParam('ID'))){
    $matchID = Convert::raw2xml($URLID);

if((is_numeric($matchID)) && ($match = DataObject::get_by_id('TippToppMatch', $matchID))){           
$form = new Form(
       $controller = $this,
       $name = "TippForm",
       $fields = new FieldSet(
          new HiddenField($name = "MatchID", $title="MatchID", $value = $matchID),
          new NumericField($name = "team1", $title=$match->Team1()->Name, $value=$match->getTippForCurrentUser()->Team1Tipp),
          new NumericField($name = "team2", $title=$match->Team2()->Name, $value=$match->getTippForCurrentUser()->Team2Tipp)            
       $actions = new FieldSet(
         // List the action buttons here
       new FormAction("doTippForm", "Tippen")
       $requiredFields = new RequiredFields('team1', 'team2'
         // List the required fields here: "Email", "FirstName"
    return $form;

function doTippForm($data){

if(($matchID = $data['MatchID']) && (is_numeric($matchID)) && ($match = DataObject::get_by_id('TippToppMatch', $matchID))){
$tipp = $match->getTippForCurrentUser();
$tipp->setField('Team1Tipp', $data['team1']);
$tipp->setField('Team2Tipp', $data['team2']);

Additionally, I created a template calling $TippForm. Everything looked fine, but calling the submit button resulted in the dreaded [url=]white screen of death[/url].

I checked and rechecked all examples, like

Nothing. I then checked the created source code and discovered that the called action was TippForm(), not doTippForm(). Introducing a debug message print "hello world" into TippForm() confirmed that this method was called.
Changing the form creation to
$form = new Form(
       $controller = $this,
       $name = "doTippForm",

managed to give the result I have tried to achieve for two days of pondering.
Everything now works fine, but I am quite irritated. Have I a mistake in my original code so that introducing a second mistake seems to fix it, or did something in silverstripe rchange recently?