c# - Writing/Reading To/From File Windows 8.1 AppStore App -


i have windows 8.1 app want write , read xml file put in "assets" folder in application package.

i call following method page constructor after this.initializecomponent(); line:

private async void readxml()     {         var uri = new system.uri("ms-appdata:///assets/gameinfo.xml");         storagefile file = await windows.storage.storagefile.getfilefromapplicationuriasync(uri);          xmldocument reader = new xmldocument();         reader.loadxml(file.tostring());         xmlnodelist nodes = reader.documentelement.childnodes;          string attr = nodes[0].attributes[0].innertext;         int besttime;         if (attr != null && int.tryparse(attr, out besttime))             besttime = besttime;     }

when navigate page contains code , runs argumentexception thrown on storagefile file... line. here exception detail:

system.argumentexception unhandled user code   hresult=-2147024809   message=value not fall within expected range.   source=mscorlib   stacktrace:        @ system.runtime.compilerservices.taskawaiter.throwfornonsuccess(task task)        @ system.runtime.compilerservices.taskawaiter.handlenonsuccessanddebuggernotification(task task)        @ system.runtime.compilerservices.taskawaiter`1.getresult()        @ lightsoutapp.random4x4.<readxml>d__0.movenext()   innerexception:

does have idea why exception being thrown? thank help.

i tried doing ms-app in stead of ms-appdata , fixed error. thank help.


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