public void InsertData()
{
data.LibraryContext ctx = new data.LibraryContext();
data.Book book = new data.Book();
book.Title = "Origin of Species";
ctx.Books.Add(book);
ctx.SaveChanges();
}
private void Button_Click(object sender, RoutedEventArgs e)
{
data.LibraryContext ctx = new data.LibraryContext();
data.Book book = new data.Book();
book.Title = this.title.Text;
book.PublishYear = Convert.ToInt32(this.pubyear.Text);
book.Format = data.BookFormat.Paper;
ctx.Books.Add(book);
ctx.SaveChanges();
}