public ActionResult AddFriend(AddFriendVM addFriendVM) { var userId = User.FindFirstValue(ClaimTypes.NameIdentifier); List <string> listUsers = new List <string>(); listUsers.Add(userId); listUsers.Add(addFriendVM.SelectedUser.Id); dataBaseRepository.AddConnection(listUsers); addFriendVM.UserList = dataBaseRepository.GetAddableFriends(userId); return(View(addFriendVM)); }