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 UpdatePerson() { using (var context = new BreakAwayContext()) { var person = context.People.Include("Photo").FirstOrDefault(); person.FirstName = "Rowena"; if (person.Photo == null) { person.Photo = new PersonPhoto { Photo = new Byte[] { 0 } }; } } }
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 DisplyDestination() { List <Destination> destinations = new List <Destination>(); using (BreakAwayContext context = new BreakAwayContext()) { foreach (Destination d in context.Destinations) { destinations.Add(d); } } foreach (Destination d in destinations) { Console.WriteLine(d.Country); Console.WriteLine(d.Name); Console.WriteLine(d.Description); Console.WriteLine(d.DestinationId); } //Console.ReadLine(); }
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); } } } }