New Post: Cannot ReadAllText or ReadAllByte. can download

I call ReadAllText, ReadAllLines or ReadAllBytes alway fail. I only can download file and save to local is ok..

The error occur at
internal SftpFileStream (ISftpSession session, string path, FileMode mode, FileAccess access, int bufferSize, bool useAsync)

    at line _attributes = _session.RequestFStat(_handle);

It throw a exception "Unsupport method";

Please help me this