public static void CreateDB()
{
using (InheritanceMappingContext db = new InheritanceMappingContext()) {
if (!db.Database.Exists())
{
db.Database.Initialize(true);
db.Database.CreateIfNotExists();
db.Dispose();
}
}
}
public static void GetUserLazyOrDefaultLoading()
{
InheritanceMappingContext db = new InheritanceMappingContext();
var user = db.User.FirstOrDefault();
db.Dispose();
foreach (var rec in user.GetType().GetProperties())
{
Console.WriteLine($"{rec.Name}: {rec.GetValue(user)}");
}
Console.ReadLine();
}
public static void GetUserEgerLoading()
{
InheritanceMappingContext db = new InheritanceMappingContext();
var user = db.User.Include("BillingInfo").FirstOrDefault();
db.Dispose();
foreach (var rec in user.GetType().GetProperties())
{
Console.WriteLine($"{rec.Name}: {rec.GetValue(user)}");
}
Console.WriteLine($"{ user.BillingInfo}: ->");
foreach (var rec in user.BillingInfo.GetType().GetProperties())
{
Console.WriteLine($"{rec.Name}: {rec.GetValue(user.BillingInfo)}");
}
Console.ReadLine();
}
public static void AddCreditCardThroughUser()
{
CreateDB();
InheritanceMappingContext db = new InheritanceMappingContext();
var Crd = new CreditCard()
{
CardType = 1,
ExpiryMonth = "Feb",
ExpiryYear = "2020",
Number = "10",
NumberA = 10.ToString(),
Owner = "me"
};
var user = new User()
{
BillingInfo = Crd,
FirstName = "me",
LastName = "me"
};
db.User.Add(user);
db.SaveChanges();
db.Dispose();
}