public static List <Category> ListCat()
{
using (myDB entities = new myDB())
{
return(entities.Categories.ToList <Category>());
}
}
public IQueryable <Book> GetProduct([QueryString("book_id")] int?book_id)
{
var _db = new myDB();
IQueryable <Book> query = _db.Books;
if (book_id.HasValue && book_id > 0)
{
query = query.Where(p => p.BookID == book_id);
}
else
{
query = null;
}
return(query);
}
