issues with File exists command windows phone

[Flamerox]

i was found this code on internet to check file exists\[code\]using (var store = IsolatedStorageFile.GetUserStoreForApplication()) { if (store.FileExists("Setting.xml")) { MessageBox.Show("have file"); } else { MessageBox.Show("haven't file"); } }\[/code\]When i try, it only show condition "haven't file". whether have or not Setting.xml file? (i can load this file by XDocument data = http://stackoverflow.com/questions/10376961/XDocument.Load("Setting.xml"); to do or not) ?