[Koha] how to add books in shelves

Venerable All 1) When I add the book via z39.50, in last it show the shelving location, but combo box have not values so how can I add values/lists in shelving location 2) I have created the lists But when I want to add books, the lists dont show there, how can I place books in lists during adding books 3) I have added books but when I want to search catalogue in OPAC, it dont show waiting for ur positive response