private void btnOk_Click(object sender, EventArgs e)
        {
            MoneyDataSet.AccountsRow account = cbAccount.SelectedItem as MoneyDataSet.AccountsRow;

            double amount = account.Balance - ((double)numBalance.Value);

            MoneyDataSet.TransactionsRow preCreate =
                keeper.PreCreateTransaction(keeper.GetTransactionType(MoneyDataSet.IDs.TransactionTypes.Correction),
                                            Resources.Labels.AccountCorrectionLabel, tbDescription.Text, DateTime.Now, account, amount);

            ValidationResult result = keeper.Validate(transaction: preCreate);

            if (!result.Success)
            {
                if (result.PreventAction)
                {
                    MessageBox.Show(String.Format(Resources.Labels.TransactionValidationErrorsFoundFormat, result.Message),
                                    Resources.Labels.TransactionValidationTitle, MessageBoxButtons.OK, MessageBoxIcon.Error);
                    return;
                }
                else
                {
                    if (MessageBox.Show(String.Format(Resources.Labels.TransactionValidationWarningsFoundFormat, result.Message),
                                        Resources.Labels.TransactionValidationTitle, MessageBoxButtons.OKCancel, MessageBoxIcon.Warning) == DialogResult.Cancel)
                    {
                        return;
                    }
                }
            }

            keeper.CreateTransaction(preCreate, ttbTags.Tags);

            this.DialogResult = DialogResult.OK;
            this.Close();
        }
        private void btnOk_Click(object sender, EventArgs e)
        {
            tbTitle.Text = tbTitle.Text.Trim();

            MoneyDataSet.AccountsRow sourceAccount = cbSourceAccount.SelectedItem as MoneyDataSet.AccountsRow;
            double sourceAmount = (double)numSourceAmount.Value;

            MoneyDataSet.PlannedTransactionsRow sourcePlan = null;
            if (cbSourceImplementsPlan.Checked)
            {
                sourcePlan = cbSourcePlan.SelectedItem as MoneyDataSet.PlannedTransactionsRow;
            }

            MoneyDataSet.TransactionsRow preCreateSource =
                keeper.PreCreateTransaction(template.TransactionTypesRowByFK_TransactionTypes_Source_TransactionTemplates,
                                            tbTitle.Text, tbDescription.Text, dtpTransactionDate.Value, sourceAccount, sourceAmount,
                                            plan: sourcePlan, template: template);

            MoneyDataSet.TransactionsRow preCreateDestination = null;

            ValidationResult resultSource      = keeper.Validate(transaction: preCreateSource);
            ValidationResult resultDestination = new ValidationResult(success: true, preventAction: false, message: String.Empty);

            if (template.HasDestinationAccount)
            {
                MoneyDataSet.AccountsRow destinationAccount = cbDestinationAccount.SelectedItem as MoneyDataSet.AccountsRow;
                double destinationAmount = (double)numDestinationAmount.Value;

                MoneyDataSet.PlannedTransactionsRow destinationPlan = null;
                if (cbDestinationImplementsPlan.Checked)
                {
                    destinationPlan = cbDestinationPlan.SelectedItem as MoneyDataSet.PlannedTransactionsRow;
                }

                preCreateDestination = keeper.PreCreateTransaction(template.TransactionTypesRowByFK_TransactionTypes_Destination_TransactionTemplates,
                                                                   tbTitle.Text, tbDescription.Text, dtpTransactionDate.Value, destinationAccount, destinationAmount,
                                                                   plan: destinationPlan, template: template, pairReference: preCreateSource.ID);

                resultDestination = keeper.Validate(transaction: preCreateDestination);
            }

            if (!((resultSource.Success) && (resultDestination.Success)))
            {
                StringBuilder message = new StringBuilder();

                if (String.IsNullOrWhiteSpace(resultSource.Message))
                {
                    message.AppendLine(Resources.Labels.TransactionDestinationValidation);
                    message.Append(resultDestination.Message);
                }
                else if (String.IsNullOrWhiteSpace(resultDestination.Message))
                {
                    if (template.HasDestinationAccount)
                    {
                        message.AppendLine(Resources.Labels.TransactionSourceValidation);
                    }
                    message.Append(resultSource.Message);
                }
                else
                {
                    message.Append(String.Join(Environment.NewLine, new String[] { Resources.Labels.TransactionSourceValidation,
                                                                                   resultSource.Message, String.Empty, Resources.Labels.TransactionDestinationValidation,
                                                                                   resultDestination.Message }));
                }

                if ((resultSource.PreventAction) || (resultDestination.PreventAction))
                {
                    MessageBox.Show(String.Format(Resources.Labels.TransactionValidationErrorsFoundFormat, message.ToString()),
                                    Resources.Labels.TransactionValidationTitle, MessageBoxButtons.OK, MessageBoxIcon.Error);

                    return;
                }
                else
                {
                    if (MessageBox.Show(String.Format(Resources.Labels.TransactionValidationWarningsFoundFormat, message.ToString()),
                                        Resources.Labels.TransactionValidationTitle, MessageBoxButtons.OKCancel, MessageBoxIcon.Warning) == DialogResult.Cancel)
                    {
                        return;
                    }
                }
            }

            transaction = keeper.CreateTransaction(preCreateSource, ttbTags.Tags);
            if (template.HasDestinationAccount)
            {
                keeper.CreateTransaction(preCreateDestination, ttbTags.Tags);
            }

            keeper.AddTextHistory(String.Format(Consts.Keeper.TransactionTitleHistoryIDFormat, template.ID), tbTitle.Text);
            this.DialogResult = DialogResult.OK;
            this.Close();
        }