public CreateBook()
{
InitializeComponent();
pubYearCmb.ItemsSource = Enumerable.Range(1950, DateTime.UtcNow.Year - 1948).ToList();
pubYearCmb.SelectedIndex = 12;
// Load categories to the combo box
CategoryDataAccess categoryDataAccess = new CategoryDataAccess();
List <Category> categories = categoryDataAccess.AllCategories();
categoriesCmb.ItemsSource = categories;
categoriesCmb.SelectedValuePath = "CategoryId";
categoriesCmb.DisplayMemberPath = "CategoryName";
categoriesCmb.SelectedValue = 2;
}