public bool CreateTransaction(LoadMoneyViewModel model)
 {
     try
     {
         var _ctx = new CurrentContext();
         var _transaction = new Transaction
           {
               Sum = model.Sum,
               Comment = model.Comment,
               Balance = model.Balance,
               PaymentMethod = PaymentMethodService.GetPaymentMethod(model.MethodId),
               User = _ctx.CurrentASPUser,
               Client = _ctx.GetClient(model.ClientId)
           };
         _repository.CreateTransaction(_transaction);
         return true;
     }
     catch (Exception ex)
     {
         _validationDictionary.AddError("_FORM", "Transaction is not saved. " + ex.Message);
         return false;
     }
 }