public static void DeleteOperational(OperationalActivity Operational)
        {
            var collection = DB.GetCollection <OperationalActivity>("OperationalActivity");
            var filter     = Builders <OperationalActivity> .Filter.Eq("ID", Operational.ID);

            collection.DeleteOne(filter);
        }
        public static void AddOperationalActivity(OperationalActivity OperationalActivity)
        {
            var collection = DB.GetCollection <OperationalActivity>("OperationalActivity");

            collection.InsertOne(OperationalActivity);
        }