private void button12_Click(object sender, EventArgs e)
{
if (textBox21.Text != "")
{
try
{
T_Books book = BLL.BLL_T_Books.GetOneInfo(textBox21.Text, -1);
textBox19.Text = book.BookName;
textBox24.Text = book.Nid.ToString();
textBox9.Text = book.GetBookClasses();
textBox22.Text = book.Author;
textBox17.Text = book.Press;
textBox12.Text = book.Price.ToString("F");
textBox23.Text = book.IsLeased ? "已被租借" : "可以租借";
button11.Visible = !book.IsLeased;
}
catch (Exception ex)
{
MessageBox.Show("加载图书信息时出错:\n" + ex.Message);
}
}
else
{
MessageBox.Show("请输入或选择要查询图书的名称！");
}
}
