Find out how much space in isolated storage occupied in WP8?

Question

windows phone 8 application TextBox accept currency values display decimal,thousand comma seperator
eg: 120.00// 1,200.00 etc

Answer 1

To Find the Space in Isolated Storage in windows phone use this command

IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication();
long usedBytes = isf.Quota - isf.AvailableFreeSpace;