Customizing Entity Framework Objects - Entity Framework 6 Recipes - page 438

Listing 12-12. Code to Check if the Database-Generated Values Are Populated Back to the Properties on Inserts
and Updates
class Program
{
static void Main(string[] args)
{
RunExample();
}
static void RunExample()
{
using (var context = new EFRecipesEntities())
{
context.ParkingTickets.Add(new ParkingTicket { Amount = 132.0M, Paid = false });
context.ParkingTickets.Add(new ParkingTicket { Amount = 255.0M, Paid = false });
context.SaveChanges();
}
using (var context = new EFRecipesEntities())
{
foreach (var ticket in context.ParkingTickets)
{
Console.WriteLine("Ticket: {0}", ticket.TicketId);
Console.WriteLine("Date: {0}", ticket.CreateDate.ToShortDateString());
Console.WriteLine("Amount: {0}", ticket.Amount.ToString("C"));
Console.WriteLine("Paid: {0}",
ticket.PaidDate.HasValue ?
ticket.PaidDate.Value.ToShortDateString() : "Not Paid");
Console.WriteLine();
ticket.Paid = true; // just paid ticket!
}
// save all those Paid flags
context.SaveChanges();
foreach (var ticket in context.ParkingTickets)
{
Console.WriteLine("Ticket: {0}", ticket.TicketId);
Console.WriteLine("Date: {0}", ticket.CreateDate.ToShortDateString());
Console.WriteLine("Amount: {0}", ticket.Amount.ToString("C"));
Console.WriteLine("Paid: {0}",
ticket.PaidDate.HasValue ?
ticket.PaidDate.Value.ToShortDateString() : "Not Paid");
Console.WriteLine();
}
}
Console.WriteLine("Press any key to close...");
Console.ReadLine();
}
}