private void UploadFile()
 {
     // Encrypted file is uplodaded to Dropbox and a record is added to the database.
     try
     {
         var fileBytes = File.ReadAllBytes(EncryptedFile);
         UserAccountManagerBLL accMan = new UserAccountManagerBLL();
         if (accMan.InsertFile(Email, NameOfFile))
         {
             _Client.UploadFile("/", NameOfFile + ".sdx", fileBytes);
             MessageBox.Show("Your file has been uploaded!");
         }
     }
     catch (Exception)
     {
         throw;
     }
 }