public int getRandom(int num)

        {

            Thread.Sleep(5);

           // Random ro = new Random(unchecked((int)DateTime.Now.Ticks));

            Random ro = new Random(System.Guid.NewGuid().GetHashCode());

            int iResult;

            int iUp = num+1;

            int iDown = 1;

            iResult = ro.Next(iDown, iUp);

            return iResult;

        }

        public int getRandom(int down,int num)

        {

            Thread.Sleep(5);

            //Random ro = new Random(unchecked((int)DateTime.Now.Ticks));

            Random ro = new Random(System.Guid.NewGuid().GetHashCode());

            int iResult;

            int iUp = num + 1;

            int iDown = down;

            iResult = ro.Next(iDown, iUp);

            return iResult;

        }