private void LeaveRoomAckEvent(string reqData, Hashtable roomClassList)
 {
     //reqData =roomNo+":"+validUid+":LeaveRoom"
     roomData = reqData.Split(':');
     try
     {
         room = (RoomHandler)roomClassList[roomData[0]];
         room.ResetIsFull();
         room.SendToClient(roomData[0] + ":LeaveRoomAck");
     }
     //Handle Exception
     catch (Exception ex)
     {
         Console.WriteLine(ex);
         return;
     }
 }