public bool PutInLists(DbUser dbUser, BaseCards ownCard, TradingObject wantToHave)
        {
            bool indicator = false;

            BaseCards wantedCard = wantToHave.card;

            //ich selbst
            string query = DbFunctions.MakeQueryForInsertCard(wantedCard, dbUser);

            if (ExecuteQuery(query))
            {
                indicator = true;
            }
            //der andere
            dbUser.uid = wantToHave.userUid;
            query      = DbFunctions.MakeQueryForInsertCard(ownCard, dbUser);
            if (ExecuteQuery(query))
            {
                if (indicator == false)
                {
                    return(false);
                }
            }

            return(true);
        }
        public void GetCardToUser(BaseCards baseCard, DbUser user)
        {
            string query = DbFunctions.MakeQueryForInsertCard(baseCard, user);

            if (ExecuteQuery(query) == false)
            {
                //error weiterreichen
                Console.WriteLine("error bei execute");
            }
        }