I think you are getting the error, because you didnt define a return-data
key for your update, see:
function saveData(key, value)
{
var req = opensocial.newDataRequest();
req.add(req.newUpdatePersonAppDataRequest("VIEWER", key, value),"setdata");
req.send(callbackData);
}
function callbackData(data)
{
if (data.get("setdata").hadError())
{
alert("couldnt save data");
}
}
Try in this way and let me know how it goes.
Regards
Robson Dantas
2010/8/3 <k...@ukr.net>
> Always output "error: undefined". What is I do wrong?
>
> function saveViewerPersistence(key,value){
> var req = opensocial.newDataRequest();
> req.add(req.newUpdatePersonAppDataRequest("VIEWER", key, value));
> req.send(checkSend);
> }
>
> function checkSend(data){
> if (data.hadError()){
> output("error: "+data.getErrorMessage());
> } else {
> output("data saved")
> }
> }
>
> cls();
> saveViewerPersistence("key",456);
>
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