“List.Remove” in C# does not remove item?

Question

Hello how can i remove item from generic list here is my code im trying to do it right but i dont know where i make mistake;/

Users us_end = new Users();
for         


        

Answer 1

Remove it in place by finding the item inside the remove statement, not via an additional copy:

List us = ((List)Application["Users_On"]);
us.Remove(us.FirstOrDefault(u => u.ID == (int)Session["Current_Id"]));
Application["Users_On"] = us;