private static void UpdateTrip()
{
using (var context = new BreakAwayContext())
{
var trip = context.Trips.FirstOrDefault();
trip.CostUSD = 50;
context.SaveChanges();
}
Console.WriteLine("trip updated");
}
private static void SpecifyDatabaseName()
{
using (var context =
new BreakAwayContext("BreakAwayStringConstructor"))
{
context.Destinations.Add(new Destination {
Name = "Tasmania"
});
context.SaveChanges();
}
Console.WriteLine("database created");
}
private static void InsertTrip()
{
Trip trip = new Trip()
{
CostUSD = 800,
StartDate = new DateTime(2011, 9, 1),
EndDate = new DateTime(2011, 9, 14)
};
using (BreakAwayContext context = new BreakAwayContext())
{
context.Trips.Add(trip);
context.SaveChanges();
}
}
private static void InsirtIntoDestination()
{
Destination destination = new Destination
{
Country = "Indonesia",
Name = "Bali",
Description = "old bali cultural resort",
};
using (BreakAwayContext context = new BreakAwayContext())
{
context.Destinations.Add(destination);
context.SaveChanges();
}
}
private static void InsertLodging()
{
var lodging = new Lodging
{
Name = "Rainy Day Motel",
Destination = new Destination
{
Name = "Seattle, Washington",
Country = "USA"
}
};
using (var context = new BreakAwayContext())
{
context.Lodgings.Add(lodging);
context.SaveChanges();
}
}
private static void InsertPerson()
{
var person = new Person
{
FirstName = "Rowan",
LastName = "Miller",
SocialSecurityNumber = 123999999,
Photo = new PersonPhoto
{
Photo = new byte[] { 0 }
}
};
using (var context = new BreakAwayContext())
{
context.People.Add(person);
context.SaveChanges();
Console.WriteLine("person added");
}
}
private static void InsertResort()
{
var resort = new Resort
{
Name = "Top Notch Resort and Spa",
MilesFromNearestAirport = 30,
Activities = "Spa, Hiking, Skiing, Ballooning",
Destination = new Destination
{
Name = "Stowe, Vermont",
Country = "USA"
}
};
using (var context = new BreakAwayContext())
{
context.Lodgings.Add(resort);
context.SaveChanges();
}
}
private static void DeleteDestinationInMemoryAndDbCascade()
{
int destinationId;
using (var context = new BreakAwayContext())
{
var destination = new Destination
{
Name = "Sample Destination",
Lodgings = new List <Lodging> {
new Lodging {
Name = "Lodging One"
},
new Lodging {
Name = "Lodging Two"
}
}
};
context.Destinations.Add(destination);
context.SaveChanges();
destinationId = destination.DestinationId;
Console.WriteLine("the sample destination id = " + destinationId);
}
using (var context = new BreakAwayContext())
{
var destination = context.Destinations
.Include(d => d.Lodgings)
.Single(d => d.DestinationId == destinationId);
var aLodging = destination.Lodgings.FirstOrDefault();
context.Destinations.Remove(destination);
Console.WriteLine("State of one Lodging: {0}",
context.Entry(aLodging).State.ToString());
context.SaveChanges();
}
}
private static void ReuseDbConnection()
{
var cstr = @"Server=.\SQLEXPRESS;
Database=BreakAwayDbConnectionConstructor;
Trusted_Connection=true";
using (var connection = new SqlConnection(cstr))
{
using (var context = new BreakAwayContext(connection))
{
context.Destinations.Add(new Destination {
Name = "Hawaii"
});
context.SaveChanges();
}
using (var context = new BreakAwayContext(connection))
{
foreach (var destination in context.Destinations)
{
Console.WriteLine(destination.Name);
}
}
}
}