public static void AddDonators(int donatorCurrentAccountId)
        {
            string queryStringDonator = $"INSERT INTO Donator (client_id, donatorCA_id) VALUES ({Client.ID},{donatorCurrentAccountId});";

            ConnectionDB.NonQuerySQL(queryStringDonator);
        }
        public void DeleteSavingAccount(int account_id)
        {
            string queryString = $"DELETE FROM SavingAccounts WHERE id ='{account_id}';";

            ConnectionDB.NonQuerySQL(queryString);
        }