private void CreateRoomAckEvent(string reqData, Hashtable roomList)
    {
        //Send(s, validUid+":"+roomName+":CreateRoomReq", 1000);
        String[] roomData = reqData.Split(':');
        try
        {
            /* example of roomList
            * key: "fc1202" value:"title"
            * in this case, fc1202 is the user creating a room called "title"
            */
            roomList.Add(roomData[0], roomData[1]);

            Console.WriteLine("We have " + roomList.Count.ToString() + " Rooms"
                + "\n" + roomData[0] + " creates room no." + roomData[1]);

            //make a room class
            room = new RoomHandler();
            room.StartRoom(tcpClient);
            room.hostName = roomData[0];

            /* example of roomClassList
            * key: "title" value: room that has been created by clicking a create room button
            */
            roomClassList.Add(roomData[1], room);

            Send(roomData[1] + ":CreateRoomAck");
        }
        //Handle Exception
        catch (Exception ex)
        {
            Console.WriteLine(ex);
            return;
        }
    }