private void BtnAddProd_Click(object sender, EventArgs e) { if (tbNameProd.Text.Trim() == "" && tbCalorie.Text.Trim() == "") { { MessageBox.Show("Введите значения!", "Ошибка!"); return; } } RadioButton type = RbType(rbFood, rbDrink); productsPresenter.AddProduct(tbNameProd, tbCalorie, type); productsPresenter.LoadProducts(); }