摘要：
需要注意的是，调试时更新的数据库是 debug目录下的数据库； private void updatebutton_Click(object sender, EventArgs e) { this.book_infoBindingSource.EndEdit(); this.book_infoTableAdapter.Update(this.bookstoreDataSet.book_info); } private void insertbutton_Click(object sender, EventAr... 阅读全文
