How to convert IQueryable expression tree to Lambda

Question

How to convert a tree IQueryable Expressionto an expression Expression<Func<T,bool>>.

IQueryable<Book> Books;

var query = Books.Where(p => p.Author.AuthorId == 5);

Expression<Func<Book, bool>> expression = ?????

Answer 1

You are using the IQueryable.Expression property to access the IQueryable expression tree.

Answer 2

Expression<Func<Book, bool>> expression = p => p.Author.AuthorId == 5;