public class CustomizeSession

    {

        private HttpSessionState _sesssion = HttpContext.Current.Session;

        public void SetSession(string key,string value)

        {

            _sesssion[key] = value;

            //string id = _sesssion.SessionID;

        }

        public int GetSessionNumber(string key)

        {

            int result = ;

            if (_sesssion[key]!=null)

            {

                int.TryParse(_sesssion[key].ToString(),out result);

            }

            return result;

        }

        public string GetSessionString(string key)

        {

            string result = "";

            if (_sesssion[key]!=null)

            {

                result = _sesssion[key].ToString();

            }

            return result;

        }

        public void SetTimeOut(int timeout)

        {

            _sesssion.Timeout = timeout;//min

        }

        public void Clear()

        {

            _sesssion.Clear();

        }

    }