CS。多表,抽象類,實體類型
public abstract class Customer
{
public int Id { get; set; }
public string Name { get; set; }
public bool IsCorporate { get; set; }
}
public class PrivateCustomer: Customer
{
public string Address { get; set; }
public DateTime DateOfContract { get; set; }
public int QuoteAmmount { get; set; }
public string PromotionCode { get; set; }
}
public class BusinesCustomer: Customer
{
public string BusinessName { get; set; }
public string BusinessAddress { get; set; }
public TypeofContract ContractType { get; set; }
public DateTime ContractStart { get; set; }
public DateTime ContractEnd { get; set; }
}
public enum TypeofContract
{
Hourly =1,
Daily = 2,
Weekly = 3
}
DB寄存=
看到了一些例子:http://i.msdn.microsoft.com/dynimg/IC315206.gif,他們已經完成了課程 - > OnlineCourse和OnsiteCourse不可能找到它的C#層。
任何人有任何想法我如何解決EF代碼的第一種方法。
親切的問候 Vinay。