private static void Main(string[] args)
{
// CreateBillingModel();
// QueryBillingModel();
// CreateCustomerModel();
Guid a = Guid.NewGuid();
Type t = typeof(string);
bool b = t.IsAssignableFrom(typeof(int));
Console.WriteLine(b);
//int i = 9;
//string iaa = i;
// t.IsAssignableFrom()
BillingDetail d = new BillingDetail();
BankAccount ad = null;
BillingCustomer customer = new BillingCustomer();
if (null is BankAccount)
{
Console.WriteLine("null is BankAccount");
}
if (null is BillingCustomer)
{
Console.WriteLine("null is BillingCustomer");
}
if (customer.Billing is BillingDetail)
{
}
if (customer.Billing is BillingDetail)
{
Console.Write("Billing is BillingDetail");
}
if (customer.Billing is CreditCard)
{
Console.Write("Billing is CreditCard");
}
if (customer.Billing is BankAccount)
{
Console.Write("Billing is BankAccount");
}
string sa = null;
Console.WriteLine(sa.IndexOf("123", StringComparison.Ordinal));
}
private static void CreateBillingModel()
{
EfInheritanceContext db = new EfInheritanceContext();
CreditCard cc = new CreditCard
{
CardType = CardType.CreditCard,
ExpiryMonth = 11,
ExpiryYear = 2015,
Number = 11,
Owner = "Owner"
};
db.CreditCards.Add(cc);
db.Billings.Add(cc);
BankAccount ba = new BankAccount
{
BankName = "CCNC",
Number = 9,
Owner = "CN",
Swift = 88
};
db.BankAccounts.Add(ba);
BillingDetail bd = new BillingDetail
{
Number = 101,
Owner = "Billing"
};
db.Billings.Add(bd);
db.SaveChanges();
}
