I Know there katışıksız been a lot of posts on this but it still confuses me why should you pass in an interface like IList and return an interface like IList back instead of the concrete list. Arec BarrwinArec Barrwin 61.8k99 gold badges3030 silver badges2525 bronze badges 14 71 I https://camillas876dre1.wikilinksnews.com/user