private void delbtn_Click(object sender, EventArgs e)
{
if (found)
{
DialogResult dr = MessageBox.Show("确定要删除这类书吗？", "重要提醒", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (dr == DialogResult.Yes)
{
FileDate.Delete <BookMaster>(master);
master = new BookMaster();
showInfotxt.Text = "";
}
}
else
{
tipslb.Text = "请先确认书籍信息再进行操作";
}
}
