public ActionResult ChatRooms() { string userId = User.Identity.GetUserId(); var chatRooms = _chatRoomService.FindChatRooms(userId); var chatRoomModels = from ch in chatRooms select new ChatRoomViewModel() { Id = ch.Id, Title = ch.Title, LastMessage = ch.LastMessage?.Text, LastMessageDate = ch.LastMessage?.DateAdded, Users = (from u in ch.Users select new UserViewModel() { Id = u.Id, UserName = u.UserName, ImagePath = Convert.ToBase64String(u.Image) }) }; return(View("ChatRooms", chatRoomModels)); }