我是初学者,做一个简单的投票系统遇到问题想请教一下。以下语句是投票结束后点击结束按钮的语句,想把edit的得票数传到adotable1中,调试时的错误提示是:adotable1:dataset not in  edit or inser mode。是怎么回事?程序错的话要这样做?
    adotable1.first;
    adotable1.FieldValues['票数']:=trim(edit4.Text);
    adotable1.Post;
    adotable1.next;
    adotable1.FieldValues['票数']:=trim(edit5.Text);
    adotable1.Post;
    adotable1.next;
    adotable1.FieldValues['票数']:=trim(edit6.Text);
    adotable1.Post;
    adotable1.next;
    adotable1.FieldValues['票数']:=trim(edit7.Text);
    adotable1.Post;