LocalStorage 2.0: How can i make a query to update datas?

[Everton Fonseca]

var db = LocalStorage.openDatabaseSync("ExampleDatabase", "", "Something", 1000000);
db.transaction(
try {
function(tx) {
tx.executeSql('UPDATE someTable SET( Column0 = ?,Column1 = ? )', [ 'someData1', 'someData2' ]);
}
} catch (err) {
console.log("Error inserting into table Greeting: " + err);
}
)

when it is execute, it always detect the sql error why?

[Everton Fonseca]

obs, i want update the datas in my table

[Mammamia]

Try out the example which is available in below given blog. This may give you some idea about how to use Local storage queries.

QML LoginApp

and the code available here.

Git:Code