private int StoreSession(string topic, int startBy) { try { ChatSessionViewModel chatsession = new ChatSessionViewModel { Topic = topic, StartBy = startBy, StartOn = System.DateTime.Now }; //var chatManager = (IChatManager)DependencyResolver.Current.GetService(typeof(IChatManager)); int sessionId = chatManager.AddChatSession(chatsession); return(sessionId); } catch (Exception ex) { return(-1); } }