[NTG-context] TOC: Chapter-titles without page-numbers

Hi there, in the attachment you see an example of a toc (of some german bestseller) I want to reproduce in ConText. The only problem left, I could not achieve myself, is: How to set the chapter-titles in the toc without pagenumbers (as you see in the attached jpg)? Thanks for your help one again! Best Regards Huseyin