what line code does it stop at or what section
----- Original Message ---- From: John <[EMAIL PROTECTED]> To: [email protected] Sent: Tuesday, January 22, 2008 7:43:17 PM Subject: [flexcomponents] TypeError: Error #1009: Cannot access a property or method of a null object refe Hello, First off, im new to flex, this is my first app im trying to put into production. Im trying to put this upload http://weblog. cahlan.com/ 2006/09/uploadin g-files-with- flex-and- php.html into a state other then the beginning state and im getting: TypeError: Error #1009: Cannot access a property or method of a null object reference. at main/onSelectFile( ) Heres the as: [code]====== ========= ========= ========= ========= ========= ======== import mx.controls. Alert; import mx.collections. XMLListCollectio n; import mx.collections. ArrayCollection; import mx.rpc.events. ResultEvent; import mx.rpc.events. FaultEvent; import mx.utils.ObjectUtil ; import flash.events. *; import mx.controls. *; import mx.managers. *; import mx.events.*; import flash.events. *; import flash.net.*; private const _strUploadDomain: String = "http://data/";; private const _strUploadScript: String = _strUploadDomain + "upload.php" ; private var _arrUploadFiles: Array; private var _numCurrentUpload: Number = 0; private var _refAddFiles: FileReferenceLis t; private var _refUploadFile: FileReference; private var _winProgress: winProgress; private function initApp():void { Security.allowDomai n("*"); _arrUploadFiles = new Array(); } // Called to add file(s) for upload private function addFiles():void { _refAddFiles = new FileReferenceList( ); _refAddFiles. addEventListener (Event.SELECT, onSelectFile) ; _refAddFiles. browse(); } // Called to remove selected file(s) for upload private function removeFiles( ):void { var arrSelected: Array = listFiles.selectedI ndices; for (var i:Number = 0; i < arrSelected. length; i++) { _arrUploadFiles[ Number(arrSelect ed[i])] = null; } for (var j:Number = 0; j < _arrUploadFiles. length; j++) { if (_arrUploadFiles[ j] == null) { _arrUploadFiles. splice(j, 1); j--; } } listFiles.dataProvi der = _arrUploadFiles; listFiles.selectedI ndex = 0; if (_arrUploadFiles. length == 0) { btnUpload.enabled = false; } else { btnUpload.enabled = true; } } // Called when a file is selected private function onSelectFile( event:Event) :void { var arrFoundList: Array = new Array(); // Get list of files from fileList, make list of files already on upload list for (var i:Number = 0; i < _arrUploadFiles. length; i++) { for (var j:Number = 0; j < _refAddFiles. fileList. length; j++) { if (_arrUploadFiles[ i].label == _refAddFiles. fileList[ j].name) { arrFoundList. push(_refAddFile s.fileList[ j].name); _refAddFiles. fileList. splice(j, 1); j--; } } } if (_refAddFiles. fileList. length >= 1) { for (var k:Number = 0; k < _refAddFiles. fileList. length; k++) { _arrUploadFiles. push({label: _refAddFiles. fileList[ k].name, data:_refAddFiles. fileList[ k]}); } listFiles.dataProvi der = _arrUploadFiles; listFiles.selectedI ndex = _arrUploadFiles. length - 1; } if (arrFoundList. length >= 1) { Alert.show(" The file(s): \n\n• " + arrFoundList. join("\n• ") + "\n\n...are already on the upload list. Please change the filename(s) or pick a different file.", "File(s) already on list"); } if (_arrUploadFiles. length == 0) { btnUpload.enabled = false; } else { btnUpload.enabled = true; } } // Cancel and clear eventlisteners on last upload private function clearUpload( ):void { _numCurrentUpload = 0; _refUploadFile. removeEventListe ner(ProgressEven t.PROGRESS, onUploadProgress) ; _refUploadFile. removeEventListe ner(Event. COMPLETE, onUploadComplete) ; _refUploadFile. removeEventListe ner(IOErrorEvent .IO_ERROR, onUploadIoError) ; _refUploadFile. removeEventListe ner(SecurityErro rEvent.SECURITY_ ERROR, onUploadSecurityErr or); _refUploadFile. cancel(); } // Called to upload file based on current upload number private function startUpload( booIsFirst: Boolean): void { if (booIsFirst) { _numCurrentUpload = 0; } if (_arrUploadFiles. length > 0) { _winProgress = winProgress( PopUpManager. createPopUp( this, winProgress, true)); _winProgress. btnCancel. removeEventListe ner("click" , onUploadCanceled) ; _winProgress. btnCancel. addEventListener ("click", onUploadCanceled) ; _winProgress. title = "Uploading file to " + _strUploadDomain; _winProgress. txtFile.text = _arrUploadFiles[ _numCurrentUploa d].label; _winProgress. progBar.label = "0%"; PopUpManager. centerPopUp( _winProgress) ; // Variables to send along with upload var sendVars:URLVariabl es = new URLVariables( ); sendVars.action = "upload"; var request:URLRequest = new URLRequest() ; request.data = sendVars; request.url = _strUploadScript; request.method = URLRequestMethod. POST; _refUploadFile = new FileReference( ); _refUploadFile = _arrUploadFiles[ _numCurrentUploa d].data; _refUploadFile. addEventListener (ProgressEvent. PROGRESS, onUploadProgress) ; _refUploadFile. addEventListener (Event.COMPLETE, onUploadComplete) ; _refUploadFile. addEventListener (IOErrorEvent. IO_ERROR, onUploadIoError) ; _refUploadFile. addEventListener (SecurityErrorEv ent.SECURITY_ ERROR, onUploadSecurityErr or); _refUploadFile. upload(request, "file", false); } } // Called on upload cancel private function onUploadCanceled( event:Event) :void { PopUpManager. removePopUp( _winProgress) ; _winProgress == null; _refUploadFile. cancel(); clearUpload( ); } // Get upload progress private function onUploadProgress( event:ProgressEv ent):void { var numPerc:Number = Math.round(( Number(event. bytesLoaded) / Number(event. bytesTotal) ) * 100); _winProgress. progBar.setProgr ess(numPerc, 100); _winProgress. progBar.label = numPerc + "%"; _winProgress. progBar.validate Now(); if (numPerc > 90) { _winProgress. btnCancel. enabled = false; } else { _winProgress. btnCancel. enabled = true; } } // Called on upload complete private function onUploadComplete( event:Event) :void { _numCurrentUpload+ +; PopUpManager. removePopUp( _winProgress) ; if (_numCurrentUpload < _arrUploadFiles. length) { startUpload( false); } else { Alert.show(" File(s) have been uploaded.", "Upload successful") ; } } // Called on upload io error private function onUploadIoError( event:IOErrorEve nt):void { Alert.show(" IO Error in uploading file.", "Error"); PopUpManager. removePopUp( _winProgress) ; _winProgress == null; _refUploadFile. cancel(); clearUpload( ); } // Called on upload security error private function onUploadSecurityErr or(event: SecurityErrorEve nt):void { Alert.show(" Security Error in uploading file.", "Error"); PopUpManager. removePopUp( _winProgress) ; _winProgress == null; _refUploadFile. cancel(); clearUpload( ); } [/code]===== ========= ========= ========= ========= ========= ========= Anyone have any ideas, im racking my brain trying to grasp this. ____________________________________________________________________________________ Looking for last minute shopping deals? Find them fast with Yahoo! Search. http://tools.search.yahoo.com/newsearch/category.php?category=shopping
