private void btnReturn_Click(object sender, EventArgs e) { ReturnBookBLL bll = new ReturnBookBLL(); if (bll.retrunBook(ID) && bll.changeBookState(ID)) { MessageBox.Show("还书成功!"); } else { MessageBox.Show("还书失败!"); } this.Close(); }
public ReturnBookController(ApplicationDbContext context) { _returnBookBLL = new ReturnBookBLL(context); }