private void Button_Click(object sender, RoutedEventArgs e)
        {
            string ID     = this.IDS.Text.Trim();
            string name   = this.bookname.Text.Trim();
            string author = this.cbs.Text.Trim();
            string price  = this.price.Text.Trim();
            string store  = this.store.Text.Trim();

            if (ID == "" || name == "" || author == "" || price == "" || store == "")
            {
                // 有信息未填
                MessageBox.Show("所有信息不能为空!");
                return;
            }
            Book book = new Book();

            BookStore.BLL.BookBLL bll = new BookBLL();
            bool flag = false;

            book.Id     = Convert.ToInt32(this.IDS.Text.Trim());//int.Parse(ID);
            book.Name   = name;
            book.Price  = Convert.ToDouble(this.price.Text.Trim());
            book.store  = Convert.ToInt32(store);
            book.Author = author;
            flag        = bll.AddBook(book);
            if (flag)
            {
                MessageBoxResult boxResult = MessageBox.Show("图书信息添加成功!", "提示:", MessageBoxButton.YesNo, MessageBoxImage.Information, MessageBoxResult.No);
                if (boxResult == MessageBoxResult.Yes)
                {
                    BookWindow1 BookWindow = new BookWindow1();
                    BookWindow.WindowStartupLocation = WindowStartupLocation.Manual;
                    BookWindow.Left = this.Left;
                    BookWindow.Top  = this.Top;
                    BookWindow.Show();
                    this.Close();
                }
            }

            /*
             *  Book book = new Book();
             *  BookStore.BLL.BookBLL bll = new BookBLL();
             *  bool flag = false;
             *  book.Id =int.Parse(ID);
             *  book.Name = name;
             *  book.Price = int.Parse(price);
             *  book.Inventory = int.Parse(kc);
             *  book.Author = cbs;
             *
             *  flag = bll.AddBook(book);
             *  if (flag)
             *  {
             *
             *  }*/
        }
        private void update_Click(object sender, RoutedEventArgs e)
        {
            BookWindow1 BookWindow = new BookWindow1();

            BookWindow.WindowStartupLocation = WindowStartupLocation.Manual;
            BookWindow.Left = this.Left;
            BookWindow.Top  = this.Top;
            BookWindow.Show();
            BookBLL book = new BookBLL();

            BookWindow.dataGrid.ItemsSource = book.GetAllBooks();
            this.Close();
        }
        private void Button_Select(object sender, RoutedEventArgs e)
        {
            string  name     = TextSelectbook.Text.Trim();
            BookBLL bookball = new BookBLL();

            if (bookball.SelectBooks(name).Count > 0)
            {
                BookWindow1 BookWindow = new BookWindow1();
                BookWindow.WindowStartupLocation = WindowStartupLocation.Manual;
                BookWindow.Left = this.Left;
                BookWindow.Top  = this.Top;
                BookWindow.Show();
                BookBLL book = new BookBLL();
                BookWindow.dataGrid.ItemsSource = book.SelectBooks(name);
                this.Close();
            }
            else
            {
                MessageBox.Show("查无此书!");
            }
        }
        private void Button_Click(object sender, RoutedEventArgs e)
        {
            string ID    = this.IDS.Text.Trim();
            string name  = this.bookname.Text.Trim();
            string cbs   = this.cbs.Text.Trim();
            string price = this.price.Text.Trim();
            string kc    = this.kc.Text.Trim();

            if (ID == "" || name == "" || cbs == "" || price == "" || kc == "")
            {
                // 有信息未填
                MessageBox.Show("所有信息不能为空!");
                return;
            }
            int     count;
            int     id       = int.Parse(ID);
            decimal prices   = decimal.Parse(price);
            int     store    = int.Parse(kc);
            BookBLL bookball = new BookBLL();

            count = bookball.BookDelete(id, name, cbs, prices, store);
            if (count == 0)
            {
                MessageBox.Show("查无此书!");
            }
            else
            {
                MessageBoxResult boxResult = MessageBox.Show("数据删除成功!", "提示:", MessageBoxButton.YesNo, MessageBoxImage.Information, MessageBoxResult.No);
                if (boxResult == MessageBoxResult.Yes)
                {
                    BookWindow1 BookWindow = new BookWindow1();
                    BookWindow.WindowStartupLocation = WindowStartupLocation.Manual;
                    BookWindow.Left = this.Left;
                    BookWindow.Top  = this.Top;
                    BookWindow.Show();
                    this.Close();
                }
            }
        }