public void DeleteBook(int id)
{
var db = new bookEntities();
var book = db.Books.Find(id);
db.Books.Remove(book);
db.SaveChanges();
}
public void UpdateBook(int id, string namebook, string author, string
topic, string type)
{
var db = new bookEntities();
var book = db.Books.Find(id);
book.NameBook = namebook;
book.Author = author;
book.TypeExchange = type;
db.Entry(book).State = EntityState.Modified;
db.SaveChanges();
}
public void AddBook(string namebook, string author, string nameuser, string topic, string type)
{
var book = new Book();
book.NameBook = namebook;
book.Author = author;
book.NameUser = nameuser;
book.Topic = topic;
book.TypeExchange = type;
var db = new bookEntities();
db.Books.Add(book);
db.SaveChanges();
}
public Book GetBook(int id)
{
var db = new bookEntities();
return(db.Books.Find(id));
}
public Book[] GetBooks()
{
var db = new bookEntities();
return(db.Books.ToArray());
}