Пример #1
0
        private void deleteCategoryButton_Click(object sender, EventArgs e)
        {
            int  categoryNo      = (int)categoryComboBox.SelectedValue;
            bool categoryDeleted = false;

            // Category cannot be deleted if it has sub categories
            using (var core = new StandardBusinessLayer(DataCache)) {
                core.Connect();

                int subCategoriesCount = core.CountCategoriesByParentCategoryNo(categoryNo);

                if (subCategoriesCount > 0)
                {
                    MessageBox.Show("Kategorin kan inte tas bort eftersom den har underkategorier.", CurrentApplication.Name, MessageBoxButtons.OK, MessageBoxIcon.Stop);
                    return;
                }

                int cashBookTransactionsCount = core.CountCashBookTransactionsByCategoryNo(categoryNo);
                if (cashBookTransactionsCount > 0)
                {
                    MessageBox.Show("Kategorin kan inte tas bort eftersom den har registrerade kassabokshändelser.", CurrentApplication.Name, MessageBoxButtons.OK, MessageBoxIcon.Stop);
                    return;
                }

                Category category = core.GetCategory(categoryNo);

                DialogResult result = MessageBox.Show("Är du säker på att du vill ta bort kategorin '" + category.Name + "'?", CurrentApplication.Name, MessageBoxButtons.YesNo, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2);
                if (result == DialogResult.Yes)
                {
                    core.DeleteCategory(categoryNo);
                    categoryDeleted = true;
                }
            }

            if (categoryDeleted)
            {
                ReloadForm();
            }
        }