1. Václav Dajbych Microsoft Student Partner dajbych.net @Dajbych feed.dajbych.net events.dajbych.net

2. Relace Syntaxe Anotace Demo Model-View-ViewModel Srovnání s MVC Binding Demo

3. Automatické mapování Tříd na tabulky Vazeb tříd na relace tabulek Proxy Sledování změn Propagace změn do databáze voláním metody

5. Databáze SchémaTřídy DatabázeTřídy

6. V současnosti EF 4.1 RC Go-live licence Za dva týdny RTW SQL Server SQL Server Compact 4 Oracle

8. var house = ( from h in db.Houses select h).First(); var town = house ;.Town

9. class Town { int Id { get; set; } string Name { get; set; } House House { get; set; } } class House { int Id { get; set; } int Number { get; set; } Town Town { get; set; } }

10. class Town { int Id { get; set; } string Name { get; set; } ICollection Houses { get; set; } } class House { int Id { get; set; } int Number { get; set; } Town Town { get; set; } }

11. class Town { int Id { get; set; } string Name { get; set; } ICollection Houses { get; set; } } class House { int Id { get; set; } int Number { get; set; } ICollection Towns { get; set; } }

12. int int? string decimal DateTime bool bool? byte byte[] int, not null int nvarchar(128) decimal(18,2), not null datetime bit, not null bit tinyint, not null varbinary(max)

13. public class Town { public int Id { get; set; } public string Name { get; set; } virtual public virtual ICollection Houses { get; set; } class Entity : Town { public Entity() {...} override public override ICollection Houses { get {...} set {...} }

14. public class Table { public int Id { get; set; } public int? Value1 { get; set; } public string Value2 { get; set; } public decimal Value3 { get; set; } public decimal? Value4 { get; set; } public bool Value5 { get; set; } public bool? Value6 { get; set; } public byte Value7 { get; set; } public byte[] Value8 { get; set; } public DateTime Value9 { get; set; } }

15. public class DemoDb : DbContext { public DemoDb() : base(@"connection string") { var initializer = new DropCreateDatabaseIfModelChanges (); Database.SetInitializer(initializer); Database.CreateIfNotExists(); } public DbSet Table { get; set; } }

16. <add name="DatabaseCS" providerName="System.Data.SqlServerCe.4.0" connectionString="Data Source=db.sdf" /> : base("name=DatabaseCS")

17. DropCreateDatabaseAlways DropCreateDatabaseIfModelChanges CreateDatabaseIfNotExists IgnoreDatabaseSchema

18. DbContext OnModelCreating ShouldValidateEntity ValidateEntity IDatabaseInitializer Seed

19. DbContext.ExecuteSqlCommand( "UPDATE t SET c = {1} WHERE id = {0}", 7, DateTime.Now );

20. [Key] // primary key [NotMapped] [MaxLength] // nvarchar(max) [StringLength(40)] // nvarchar(40) [Required]

22. Model View Controller

23. View ViewModel Model

24. Každý ovládací prvek má svůj datový kontext Jak ovládací prvek tak i datový kontext vyvolávají události, pokud se hodnota změní INotifyPropertyChanged INotifyCollectionChanged DependencyProperty ObservableCollection ICommand

25. Analogie s ASP.NET public string Text { get; set; } code behind pro oba případy stejný

27. Relace Syntaxe Anotace Demo Model-View-ViewModel Srovnání s MVC Binding Demo dajbych.net @Dajbych feed.dajbych.net events.dajbych.net

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