public static void GetInfo(int fileID, out string fileName, out string contentType, out int size) { using (IDataReader reader = DBFile.GetInfo(fileID)) { if (null == reader || !reader.Read()) { throw new InvalidFileException(); } fileID = (int)reader["FileId"]; fileName = reader["FileName"].ToString(); contentType = reader["ContentType"].ToString(); size = (int)reader["Size"]; } }