public PurchaseService(IPurchaseDAL dal) { _dal = dal; }
public PurchaseService(IPurchaseDAL purchaseDAL) { _purchaseDAL = purchaseDAL; }
public PurchaseService(IPurchaseDAL dal) { _dal = dal; }
public PurchaseService(IPurchaseDAL purchaseDAL) { _purchaseDAL = purchaseDAL; }