private async void getFinesList(Account acc)
 {
     await DatabaseService.getFines(acc).ContinueWith(task =>
     {
         fines = task.Result;
         foreach (Fine fine in fines)
         {
             if (fineTable.InvokeRequired)
             {
                 fineTable.Invoke(new Action(() => addFineTableRow(fine)));
             }
             else
             {
                 addFineTableRow(fine);
             }
         }
     });
 }