I am trying to read a file not created in the application.
Here is the sample i tried :
string FileName = "stops.txt";
string FolderName = "data";
string FilePath = System.IO.Path.Combine(FolderName, FileName);
IsolatedStorageFile myIsolatedStorage = IsolatedStorageFile.GetUserStoreForApplication();
IsolatedStorageFileStream fileStream = myIsolatedStorage.OpenFile(FilePath, FileMode.Open, FileAccess.Read);
using (StreamReader reader = new StreamReader(fileStream))
{
MessageBox.Show(reader.ReadLine());
}
I throw a "isolatedstorageexception" : link to exception
System.IO.IsolatedStorage.IsolatedStorageException: [IsolatedStorage_Operation_ISFS]
Arguments:
Debugging resource strings are unavailable. Often the key and arguments provide sufficient information to diagnose the problem. See http://go.microsoft.com/fwlink/?linkid=106663&Version=4.0.50829.0&File=mscorlib.dll&Key=IsolatedStorage_Operation_ISFS
at System.IO.IsolatedStorage.IsolatedStorageFileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, IsolatedStorageFile isf)
at System.IO.IsolatedStorage.IsolatedStorageFile.OpenFile(String path, FileMode mode, FileAccess access)
at HorairesCTS.MainPage.test()
at HorairesCTS.MainPage..ctor()
Can someone help me to read this file ?
Thank you !
If you try to read a file that is included in your project, it won't be in the IsolatedStorage
. You need to access it via Application.GetResourceStream
.
Here is a sample code to read a local text file:
private string ReadTextFile(string filePath)
{
var resourceStream = Application.GetResourceStream(new Uri(filePath, UriKind.Relative));
Stream myFileStream = resourceStream.Stream;
StreamReader myStreamReader = new StreamReader(myFileStream);
return myStreamReader.ReadToEnd();
}
Don't forget to set the Build action
to Content
on the properties of the file in Visual Studio.
ReadTextFile("data/stops.txt")