Ejemplo n.º 1
0
 public List <Book> GetAll(Expression <Func <Book, bool> > filter = null)
 {
     using (BookDatabasesContext context = new BookDatabasesContext())
     {
         return(filter == null?context.Set <Book>().ToList() : context.Set <Book>().Where(filter).ToList());
     }
 }
Ejemplo n.º 2
0
 public Book Get(Expression <Func <Book, bool> > filter)
 {
     using (BookDatabasesContext context = new BookDatabasesContext())
     {
         return(context.Set <Book>().SingleOrDefault(filter));
     }
 }
 public PublishingHouse Get(Expression <Func <PublishingHouse, bool> > filter)
 {
     using (BookDatabasesContext context = new BookDatabasesContext())
     {
         return(context.Set <PublishingHouse>().SingleOrDefault(filter));
     }
 }