static void AddData()
{
Customer customer = new Customer
{
FirstName = "Василий",
LastName = "Печкин",
};
Seller seller = new Seller
{
FirstName = "Владислав",
LastName = "Соколов",
};
Purchase purchase = new Purchase
{
CustomerId = customer.Id,
SellerId = seller.Id,
Sum = 100
};
CustomerRepository customerRepository = new CustomerRepository();
customerRepository.Add(customer);
SellerRepository sellerRepository = new SellerRepository();
sellerRepository.Add(seller);
PurchaseRepository purchaseRepository = new PurchaseRepository();
purchaseRepository.Add(purchase);
}
private void buttonShowSellers_Click(object sender, EventArgs e)
{
SellerRepository sellerRepository = new SellerRepository();
ICollection <Seller> sellers = sellerRepository.GetAll();
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.Append("Данные из таблицы Продавцов: \n");
foreach (var seller in sellers)
{
stringBuilder.Append($"{seller.Id} {seller.FirstName} {seller.LastName}\n");
}
MessageBox.Show(stringBuilder.ToString());
}