/// <summary>
        ///  To Display Rooms
        /// </summary>
        /// <returns></returns>
        public static List <RoomDetails> DisplayAllRoomBL()
        {
            List <RoomDetails> rlist = new List <RoomDetails>();

            try
            {
                rlist = HMS_DAL.ShowAllRoomDAL();
                if (rlist == null)
                {
                    throw new HMS_Exception("No room Found");
                }
            }
            catch (HMS_Exception p)
            {
                throw p;
            }
            catch (SqlException e)
            {
                throw e;
            }
            return(rlist); // Returns the list of Room
        }