private void renewButton_Click(object sender, EventArgs e)//续借，完成
{
Book book = lendBindingSource.Current as Book;
if (book == null)
{
MessageBox.Show("请选择一本书进行操作！");
return;
}
else
{
if (yearComboBox.Text != "" && monthComboBox.Text != "" && dayComboBox.Text != "")//monthComboBox之前打快了打成了monthhComboBox
{
string year = yearComboBox.Text;
string month = monthComboBox.Text;
string day = dayComboBox.Text;
if (book.reNewNum < 3)
{
BookShelfService.ReNewLending(book, currentClient, year, month, day);
}
else
{
MessageBox.Show("该书续借次数太多，不允许继续续借！");
}
}
else
{
MessageBox.Show("没有输入正确的日期！", "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
lendBooks = new List <Book>();
lendBindingSource.DataSource = lendBooks;
lendBooks = BookShelfService.GetAllLentBooks(currentClient);
lendBindingSource.ResetBindings(false);
lendBindingSource.DataSource = lendBooks;
Books = new List <Book>();
booksBindingSource.DataSource = Books;
Books = BookShelfService.AllBooks();
booksBindingSource.ResetBindings(false);
booksBindingSource.DataSource = Books;
Query(1);
}